free-programming-books-subjects.md

BY SUBJECT

This list, organized by subject, is for books that cover a programming-related subject in a programming-language agnostic way.
Books that cover a specific programming language can be found in the BY PROGRAMMING LANGUAGE list.

Index

• 0 - Meta-Lists
• Algorithms & Data Structures
• Artificial Intelligence
• Blockchain
• Cellular Automata
• Cloud Computing
• Competitive Programming
• Compiler Design
• Computer Organization and Architecture
• Computer Science
• Computer Vision
• Containers
• Data Science
• Database
• Game Development
• Graphical user interfaces
• Graphics Programming
• IDE and editors
• Information Retrieval
• Licensing
• Machine Learning
• Mathematics
• Mathematics For Computer Science
• Misc
• Networking
• Object Oriented Programming
• Open Source Ecosystem
• Operating Systems
• Parallel Programming
• Partial Evaluation
• Professional Development
• Programming
• Programming Paradigms
• Quantum Computing
• Regular Expressions
• Reverse Engineering
• Search Engines
• Security & Privacy
• Software Architecture
• Standards
• Theoretical Computer Science
• Version Control Systems
• Web Performance
• Web Services
• Workflow

0 - Meta-Lists

• atariarchives.org atariarchives.org makes books, information, and software for Atari and other classic computers available on the Web.
• Bento
• Bitsavers.org
• Code Catalog: A Collection of Code Examples from Prominent Open Source Projects (HTML)
• conceptf1.blogspot.com
• Free Smalltalk Books, collected by Stéphane Ducasse
• Free Tech Books
• Goalkicker - Programming Notes for Professionals books
• IBM Redbooks
• InfoQ Minibooks
• JSBooks - directory of free javascript ebooks
• Learn X in Y minutes
• Learneroo Resources to Learn Programming
• Microsoft Guides to Software
• Microsoft Press: Free E-Books
• Microsoft Technologies 1, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, Office365, etc. collection by Eric Ligman
• Microsoft Technologies 2, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, etc. collection by Eric Ligman
• Microsoft Technologies 3, DevOps for ASP.NET Core Developers - Cam Soper, Scott Addie, Colin Dembovsky (PDF)
• O'Reilly's Open Books Project
• Papers we love
• Red Gate Books
• Rip Tutorials
• Stef's Free Online Smalltalk Books
• TechBeamers.com
• TechBooksForFree.com
• The Definitive C++ Book Guide and List
• Theassayer.org
• Tutorials Point

Algorithms & Data Structures

• A Field Guide To Genetic Programming - Riccardo Poli, et al. (PDF)
• Algorithm Design - Jon Kleinberg, Éva Tardos (PDF)
• Algorithmic Graph Theory - David Joyner, Minh Van Nguyen, David Phillips (PDF)
• Algorithms - Wikibooks
• Algorithms, 4th Edition - Robert Sedgewick, Kevin Wayne
• Algorithms and Automatic Computing Machines (1963) - B. A. Trakhtenbrot
• Algorithms and Complexity - Herbert S. Wilf (PDF)
• Algorithms Course Materials - Jeff Erickson
• Algorithms Notes for Professionals - Compiled from StackOverflow Documentation (PDF)
• Analysis and Design of Algorithms - Sandeep Sen, IIT Delhi
• Animated Algorithm and Data Structure Visualization (Resource)
• Annotated Algorithms in Python: Applications in Physics, Biology, and Finance - Massimo di Pierro
• Binary Trees (PDF)
• Data Structures - Aditya CSE (PDF)
• Data Structures - Wikibooks
• Data Structures - Prof. Subhashis Banerjee, IIT Delhi
• Data Structures (Into Java) - Paul N. Hilfinger (PDF)
• Data Structures and Algorithms: Annotated Reference with Examples - G. Barnett, L. Del Tongo (PDF)
• Data Structures and Algorithms Tutorial - Tutorials Point (HTML, PDF)
• Data Structures Succinctly Part 1, Syncfusion (PDF, Kindle) (email address requested, not required)
• Data Structures Succinctly Part 2, Syncfusion (PDF, Kindle) (email address requested, not required)
• Elementary Algorithms - Larry LIU Xinyu
• Essential Algorithms - Krzysztof Kowalczyk and Stack Overflow Documentation project (HTML)
• Foundations of Computer Science - Al Aho, Jeff Ullman
• Geometry Algorithms - Dan Sunday
• Lectures Notes on Algorithm Analysis and Computational Complexity (Fourth Edition) - Ian Parberry (use form at bottom of license)
• LEDA: A Platform for Combinatorial and Geometric Computing - K. Mehlhorn, et al. (HTML)
• Linked List Basics - Nick Parlante (PDF)
• Linked List Problems - Nick Parlante (PDF)
• Matters Computational: Ideas, Algorithms, Source Code (PDF)
• Open Data Structures: An Introduction - Pat Morin
• Planning Algorithms
• Problems on Algorithms (Second Edition) - Ian Parberry (use form at bottom of license)
• Purely Functional Data Structures (1996) - Chris Okasaki (PDF) (:card_file_box: archived)
• Sequential and parallel sorting algorithms (HTML)
• Text Algorithms (PDF)
• The Algorithm Design Manual - Steven S. Skiena (HTML)
• The Design of Approximation Algorithms - David P. Williamson, David B. Shmoys (PDF)
• The Great Tree List Recursion Problem - Nick Parlante (PDF)
• The Kademlia Protocol Succinctly - Marc Clifton
• Think Complexity - Allen B. Downey (2nd Edition) (PDF, HTML)

Artificial Intelligence

• Artificial Intelligence for a Better Future: An Ecosystem Perspective on the Ethics of AI and Emerging Digital Technologies - Bernd Carsten Stahl (PDF)
• Artificial Intelligence: Foundations of Computational Agents (2010), 1st Edition - David L. Poole, Alan K. Mackworth @ Cambridge University Press (HTML)
• Artificial Intelligence: Foundations of Computational Agents (2017), 2nd Edition - David L. Poole, Alan K. Mackworth @ Cambridge University Press (HTML, Slides)
• Getting Started with Artificial Intelligence , 2nd Edition - Tom Markiewicz, Josh Zheng (PDF)
• Graph Representational Learning Book - William L. Hamilton (HTML, PDF)
• Introduction to Autonomous Robots - Nikolaus Correll (PDF)
• Machine Learning For Dummies®, IBM Limited Edition - Daniel Kirsch, Judith Hurwitz (PDF)
• On the Path to AI: Law’s prophecies and the conceptual foundations of the machine learning age - Thomas D. Grant, Damon J. Wischik (PDF)
• Probabilistic Programming & Bayesian Methods for Hackers - Cam Davidson-Pilon (HTML, Jupyter Notebook)
• The History of Artificial Intelligence - Chris Smith, Brian McGuire, Ting Huang, Gary Yang (PDF)
• The Quest for Artificial Intelligence: A History of Ideas and Achievements - Nils J. Nilsson (PDF)

Blockchain

• Bitcoin and Cryptocurrency Technologies - Arvind Narayanan, Joseph Bonneau, Edward Felten, Andrew Miller, Steven Goldfeder, Jeremy Clark (PDF)
• Blockchain for Dummies, 2nd IBM Limited Edition - Manav Gupta (PDF)
• chain.courses - James Gan, Rishub Kumar
• Getting Started with Enterprise Blockchain: A Guide to Design and Development - Michael Bradley, David Gorman, Matt Lucas, Matthew Golby-Kirk (PDF)
• Grokking Bitcoin - Kalle Rosenbaum (HTML)
• IBM Blockchain: The Founder’s Handbook, Third Edition - Antonio Banda, Matthew Hamilton, Eileen Lowry, John Widdifield, et al. (PDF)
• Learning Bitcoin from the Command Line - Christopher Allen, Shannon Appelcline, et al. (HTML)
• Mastering Bitcoin - Unlocking digital currencies (2017), 2nd Edition - Andreas M. Antonopoulos (AsciiDoc)
• Mastering Ethereum (2018), 1st Edition - Andreas M. Antonopoulos, Gavin Wood (AsciiDoc)
• Mastering the Lightning Network - Andreas M. Antonopoulos, Olaoluwa Osuntokun, Rene Pickhardt (AsciiDoc)
• Playtime with Hyperledger Composer - Shubham Chadokar (PDF)

Cellular Automata

• A New Kind of Science - Stephen Wolfram

Cloud Computing

• AWS Well-Architected Framework (PDF, HTML)
• Azure for Architects, Third Edition (PDF) (email address or account required)
• Azure Functions Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
• Building Serverless Applications with Google Cloud Run - Wietse Venema (PDF) (email address requested, not required)
• Cloud Computing for Science and Engineering - Ian Foster, Dennis B. Gannon (:construction: in process)
• Cloud Design Patterns
• Designing Distributed Systems (account required)
• Distributed Systems 3rd edition - Maarten van Steen, Andrew S. Tanenbaum (email address required)
• How to optimize storage costs using Amazon S3 - AWS (PDF)
• Learn Azure in a Month of Lunches - Iain Foulds (PDF)
• Monitoring Modern Infrastructure (account required)
• Multi-tenant Applications for the Cloud, 3rd Edition
• OpenStack Operations Guide
• Streamline microservice management with Istio Service Mesh (account required)
• The Developer’s Guide to Azure

Competitive Programming

• Competitive Programmer's Handbook - Antti Laaksonen (PDF)
• Competitive Programming, 1st Edition - Steven Halim (PDF)
• Competitive Programming, 2nd Edition - Steven Halim (PDF)
• Principles of Algorithmic Problem Solving - Johan Sannemo (PDF)

Compiler Design

• An Introduction to GCC - Brian Gough
• Basics of Compiler Design (Anniversary Edition) - Torben Mogensen
• Compiler Design in C (1990) - Allen Holub, Prentice Hall (PDF)
• Compiler Design: Theory, Tools, and Examples, C/C++ Edition - Seth D. Bergmann (PDF)
• Compiler Design: Theory, Tools, and Examples, Java Edition - Seth D. Bergmann (PDF)
• Compiling Scala for the Java Virtual Machine - Michel Schinz (PDF)
• Compiling Techniques (1969) - F.R.A. Hopgood, Macdonald
• Crafting Interpreters - Bob Nystrom (HTML)
• EXPL NITC: Build your own Compiler - Murali Krishnan K., students in the Department of Computer Science and Engineering of the Calicut National Institute of Technology (HTML)
• Implementing Functional Languages: A Tutorial - Simon Peyton Jones, David Lester
• Introduction to Compilers and Language Design - Douglas Thain (PDF)
• Let's Build a Compiler (PDF)
• Practical and Theoretical Aspects of Compiler Construction (class lectures and slides)
• The ANTLR Mega Tutorial

Computer Organization and Architecture

• Basic Computer Architecture - Smruti R. Sarangi (HTML, PDF, Slides, Videos)
• Computer Organization and Design Fundamentals - David Tarnoff (PDF)

Computer Science

• A Data-Centric Introduction to Computing - Kathi Fisler, Shriram Krishnamurthi, Benjamin S. Lerner, Joe Gibbs Politz (HTML)
• Computational Thinking - Jeannette Wing, Carnegie-Mellon University (PDF)
• Computer Science I - Chris Bourke (PDF)
• Computer Science II - Chris Bourke (PDF)
• CS Principles: Big Ideas in Programming - Mark Guzdial, Barbara Ericson (HTML)
• What to Look for in a Code Review - Trisha Gee (HTML, PDF, EPUB, Kindle) (Leanpub account or valid email requested)

Computer Vision

• Computer Vision - Dana Ballard, Chris Brown
• Computer Vision: Algorithms and Applications - Richard Szeliski
• Computer Vision: Foundations and Applications - Ranjay Krishna (PDF)
• Computer Vision: Models, Learning, and Inference - Simon J.D. Prince
• DALLE-E 2 prompt book - Dallery.Gallery, Guy Parson(PDF)
• Programming Computer Vision with Python - Jan Erik Solem

Containers

• CI/CD for Monorepos: Effectively building, testing, and deploying code with monorepos - Pablo Tomas Fernandez Zavalia, Marko Anastasov, SemaphoreCI (PDF, EPUB, Kindle)
• CI/CD with Docker and Kubernetes Book - Marko Anastasov, Jérôme Petazzoni, Pablo Tom F. Zavalia, SemaphoreCI (PDF, EPUB, Kindle)
• Docker Jumpstart - Andrew Odewahn
• Docker Tutorial - Anthony Baire (PDF)
• Docker Tutorial - Tutorials Point (HTML, PDF)
• Kubernetes Deployment & Security Patterns - Alex Williams (PDF)
• Kubernetes for Full-Stack Developers - Jamon Camisso, Hanif Jetha, Katherine Juell (PDF, EPUB)
• Uncomplicating Kubernetes - Jeferson Fernando

Data Science

• A Programmer's Guide to Data Mining - Ron Zacharski (Draft)
• Data Jujitsu: The Art of Turning Data into Product (email address requested, not required)
• Data Mining Algorithms In R - Wikibooks
• Data Science at the Command Line - Jeroen Janssens
• Elements of Data Science - Allen B. Downey
• Foundations of Data Science - Avrim Blum, John Hopcroft, Ravindran Kannan (PDF)
• Fundamentals of Data Visualization - Claus O. Wilke (HTML)
• Hands-On Data Visualization - Jack Dougherty, Ilya Ilyankou (HTML)
• High-Dimensional Data Analysis with Low-Dimensional Models: Principles, Computation, and Applications - John Wright, Yi Ma (PDF)
• Internet Advertising: An Interplay among Advertisers, Online Publishers, Ad Exchanges and Web Users (PDF)
• Introduction to Data Science - Jeffrey Stanton
• Mining of Massive Datasets - Jure Leskovec, Anand Rajaraman, Jeffrey D. Ullman (PDF)
• Probability and Statistics with Examples using R - Siva Athreya, Deepayan Sarkar, Steve Tanner (HTML) (:construction: in process)
• School of Data Handbook
• Statistical inference for data science - Brian Caffo
• The Ultimate Guide to 12 Dimensionality Reduction Techniques (with Python codes) - Pulkit Sharma
• Theory and Applications for Advanced Text Mining

Database

• Database Design – 2nd Edition - Adrienne Watt, Nelson Eng @ BCcampus Open Pressbooks (HTML, PDF, EPUB, Kindle)
• Database Design Succinctly - Joseph D. Booth (HTML, PDF, EPUB, MOBI)
• Database Explorations - C.J. Date, Hugh Darwen (PDF)
• Database Fundamentals - Neeraj Sharma et al. (PDF)
• Database Management Systems Solutions Manual Third Edition - Raghu Ramakrishnan, Johannes Gehrke, Jeff Derstadt, Scott Selikof, and Lin Zhu (PDF)
• Databases, Types, and The Relational Model: The Third Manifesto - C.J. Date, Hugh Darwen (PDF)
• Foundations of Databases
• Readings in Database Systems, 5th Ed.
• Temporal Database Management - Christian S. Jensen
• The Theory of Relational Databases

Game Development

• 2D Game Development: From Zero To Hero - Daniele Penazzo (HTML, PDF, EBPUB, Kindle...) (:construction: in process)
• 3D Math Primer for Graphics and Game Development - Fletcher Dunn (HTML)
• Coding With Minecraft - Al Sweigart
• Designing Virtual Worlds - Richard A. Bartle (PDF)
• Game AI Pro - Steve Rabin
• Game Design with AGS - Dave Ensminger, A. G. Madi
• Game Programming Patterns - Bob Nystrom
• Level up your code with game programming patterns - Unity (HTML & PDF)
• Procedural Content Generation in Games - Noor Shaker, Julian Togelius, Mark Nelson

Graphics Programming

• 3D Game Shaders For Beginners - David Lettier (Git) (HTML)
• Blender 3D: Noob to Pro - Wikibooks
• Blender Manual
• Computer Graphics from scratch - Gabriel Gambetta (:construction: in process)
• DirectX manual (draft)
• GPU Gems
• Graphics Programming Black Book - Michael Abrash (PDF)
• Introduction to Modern OpenGL - Alexander Overvoorde (HTML, EPUB, PDF) (C++)
• Introduction to TouchDesigner 099 (Leanpub account or valid email requested)
• JPEG - Idea and Practice
• Learn Computer Graphics From Scratch! - Scratchapixel (:construction: in process)
• Learn OpenGL - Joey de Vries
• Learn OpenGL RS - Benjamin Wasty, et al. (:construction: in process) (Rust)
• Learning Modern 3D Graphics Programming - Jason L. McKesson (draft)
• OpenGL - Concepts and illustrations
• Physically Based Rendering, Third Edition: from Theory to Implementation - Matt Pharr, Wenzel Jakob, Greg Humphreys
• Ray Tracing Gems - Eric Haines, Tomas Akenine-Möller
• Ray Tracing Gems II - Adam Marrs, Peter Shirley, Ingo Wald
• Ray Tracing in One Weekend - Peter Shirley (HTML)
• ShaderX series - Wolfgang Engel
• Tutorials for modern OpenGL
• Virtual Reality - Steven M. LaValle
• WebGL Insights - Patrick Cozzi, et al.

Graphical User Interfaces

• Event-Driven GTK by Example — 2021 Edition - Michael Murphy
• GUI development with Relm4 - Aaron Erhardt
• GUI development with Rust and GTK 4 - Julian Hofer
• Programming with gtkmm 4
• Search User Interfaces - Marti A. Hearst
• Web Design Primer - Richard Adams, Ahmed Sagarwala
• Web Style Guide Online - Patrick J. Lynch, Sarah Horton

IDE and editors

ℹ️ See also … Emacs Lisp, Regular Expressions

• A Byte of Vim - Swaroop (PDF)
• GNU Emacs Manual - Free Software Foundation Inc. (HTML, PDF)
• Learn Vim (the Smart Way) - Igor Irianto (HTML) (:construction: in process)
• Learn Vim For the Last Time - Daniel Miessler
• Learn Vim Progressively - Yann Esposito
• Learn Vimscript the Hard Way - Steve Losh
• The Craft of Text Editing or A Cookbook for an Emacs - Craig A. Finseth (HTML, PDF, ePUB, Kindle, PostScript, LaTeX)
• Vi Improved -- Vim - Steve Oualline (PDF)
• VIM-GALORE - All things Vim! - Marco Hinz (HTML)
• Vim Recipes - Run Paint Run Run, Run Paint Press (PDF)
• Vim Reference Guide - Sundeep Agarwal
• Vim Regular Expressions 101 - Oleg Raisky
• Visual Studio .NET Tips and Tricks - Minh T. Nguyen (PDF)
• Visual Studio 2019 Succinctly - Alessandro Del Sole (online, PDF)

Information Retrieval

• Information Retrieval: A Survey (PDF)
• Information Retrieval: Implementing and Evaluating Search Engines - Stefan Böttcher, Charles L. A. Clarke, Gordon V. Cormack (PDF)
• Introduction to Information Retrieval

Licensing

• Creative Commons: a user guide - Simone Aliprandi (PDF)
• Open Source Licensing Software Freedom and Intellectual Property Law - Lawrence Rosen
• The Public Domain: Enclosing the Commons of the Mind - James Boyle

Machine Learning

• A Brief Introduction to Machine Learning for Engineers - Osvaldo Simeone (PDF)
• A Brief Introduction to Neural Networks
• A Comprehensive Guide to Machine Learning - Soroush Nasiriany, Garrett Thomas, William Wang, Alex Yang (PDF)
• A Course in Machine Learning (PDF)
• A First Encounter with Machine Learning - Max Welling (PDF) (:card_file_box: archived)
• A Selective Overview of Deep Learning - Fan, Ma, Zhong (PDF)
• Algorithms for Reinforcement Learning - Csaba Szepesvári (PDF)
• An Introduction to Statistical Learning - Gareth James, Daniela Witten, Trevor Hastie, Robert Tibshirani (PDF)
• Approaching Almost Any Machine Learning Problem - Abhishek Thakur (PDF)
• Bayesian Reasoning and Machine Learning
• Deep Learning - Ian Goodfellow, Yoshua Bengio, Aaron Courville
• Deep Learning for Coders with Fastai and PyTorch - Jeremy Howard, Sylvain Gugger (Jupyter Notebooks)
• Dive into Deep Learning
• Explorations in Parallel Distributed Processing: A Handbook of Models, Programs, and Exercises - James L. McClelland
• Foundations of Machine Learning, Second Edition - Mehryar Mohri, Afshin Rostamizadeh, Ameet Talwalkar
• Free and Open Machine Learning - Maikel Mardjan (HTML)
• Gaussian Processes for Machine Learning - Carl Edward Rasmussen, Christopher K.I. Williams
• IBM Machine Learning for Dummies - Judith Hurwitz, Daniel Kirsch
• Information Theory, Inference, and Learning Algorithms - David J.C. MacKay
• Interpretable Machine Learning - Christoph Molnar
• Introduction to CNTK Succinctly - James McCaffrey
• Introduction to Machine Learning - Amnon Shashua
• Keras Succinctly - James McCaffrey
• Learn Tensorflow - Jupyter Notebooks
• Learning Deep Architectures for AI - Yoshua Bengio (PDF)
• Machine Learning
• Machine Learning for Beginners - Microsoft
• Machine Learning for Data Streams - Albert Bifet, Ricard Gavaldà, Geoff Holmes, Bernhard Pfahringer
• Machine Learning from Scratch - Danny Friedman (HTML, PDF, Jupyter Book)
• Machine Learning, Neural and Statistical Classification - D. Michie, D.J. Spiegelhalter, C.C. Taylor
• Machine Learning Simplified - Andrew Wolf
• Machine Learning with Python - Tutorials Point (HTML, PDF)
• Mathematics for Machine Learning - Garrett Thomas (PDF)
• Mathematics for Machine Learning - Marc Peter Deisenroth, A Aldo Faisal, Cheng Soon Ong
• Neural Networks and Deep Learning
• Practitioners guide to MLOps - Khalid Samala, Jarek Kazmierczak, Donna Schut (PDF)
• Probabilistic Machine Learning - An Introduction - Kevin P. Murphy (PDF)
• Probabilistic Models in the Study of Language (Draft, with R code)
• Python Machine Learning Projects - Lisa Tagliaferri, Brian Boucheron, Michelle Morales, Ellie Birkbeck, Alvin Wan (PDF, EPUB, Kindle)
• Reinforcement Learning: An Introduction - Richard S. Sutton, Andrew G. Barto (PDF)
• Speech and Language Processing (3rd Edition Draft) - Daniel Jurafsky, James H. Martin (PDF)
• The Elements of Statistical Learning - Trevor Hastie, Robert Tibshirani, and Jerome Friedman
• The LION Way: Machine Learning plus Intelligent Optimization - Roberto Battiti, Mauro Brunato (PDF)
• The Mechanics of Machine Learning - Terence Parr, Jeremy Howard
• The Python Game Book - Horst Jens (:card_file_box: archived)
• Top 10 Machine Learning Algorithms Every Engineer Should Know - Binny Mathews, Omair Aasim
• Understanding Machine Learning: From Theory to Algorithms - Shai Shalev-Shwartz, Shai Ben-David

Mathematics

• A Computational Introduction to Number Theory and Algebra - Victor Shoup
• A Computational Logic (1979) - Robert S. Boyer, J Strother Moore (PDF)
• A First Course in Complex Analysis - Matthias Beck, Gerald Marchesi, Dennis Pixton, Lucas Sabalka
• A First Course in Linear Algebra - Rob Beezer
• A Friendly Introduction to Mathematical Logic - Christopher C. Leary, Lars Kristiansen
• A Gentle Introduction to the Art of Mathematics - Joseph E. Fields
• A Programmer's Introduction to Mathematics - Jeremy Kun
• Abstract Algebra: Theory and Applications - Tom Judson
• Active Calculus - Matt Boelkins
• Advanced Algebra - Anthony W. Knapp (PDF)
• Algebra: Abstract and Concrete - Frederick Goodman
• Algebra: An Elementary Text-Book, Part I (1904) - G. Chrystal (PDF)
• Algebra: An Elementary Text-Book, Part II (1900) - G. Chrystal (PDF)
• Algebraic Topology - Allen Hatcher (PDF)
• An Infinite Descent into Pure Mathematics - Clive Newstead (PDF)
• An Introduction to the Theory of Numbers - Leo Moser (PDF)
• Analytic Geometry (1922) - Lewis Parker Siceloff, George Wentworth, David Eugene Smith (PDF)
• APEX Calculus - Gregory Hartman, Brian Heinold, Troy Siemers, and Dimplekumar Chalishajar
• Applied Combinatorics - Mitchel T. Keller, William T. Trotter
• Applied Discrete Structures - Alan Doerr, Kenneth Levasseur
• Basic Algebra - Anthony W. Knapp (PDF)
• Basic Analysis: Introduction to Real Analysis - Jiří Lebl
• Basics of Algebra, Topology, and Differential Calculus (PDF)
• Bayesian Methods for Hackers - Cameron Davidson-Pilon
• Beginning and Intermediate Algebra - Tyler Wallace
• Book of Proof - Richard Hammack (PDF)
• Calculus - Gilbert Strang
• Calculus I - Jerrold E. Marsden, Alan Weinstein
• Calculus in Context - James Callahan
• Calculus Made Easy - Silvanus P. Thompson (PDF)
• Calculus Volume 1 - Edwin Herman, Gilbert Strang (PDF)
• Calculus Volume 2 - Edwin Herman, Gilbert Strang (PDF)
• Calculus Volume 3 - Edwin Herman, Gilbert Strang (PDF)
• Category Theory for the Sciences - David I. Spivak (PDF)
• CK-12 Probability and Statistics - Advanced
• CLP-1 Differential Calculus - Joel Feldman, Andrew Rechnitzer, Elyse Yeager
• CLP-2 Integral Calculus - Joel Feldman, Andrew Rechnitzer, Elyse Yeager
• CLP-3 Multivariable Calculus - Joel Feldman, Andrew Rechnitzer, Elyse Yeager
• CLP-4 Vector Calculus - Joel Feldman, Andrew Rechnitzer, Elyse Yeager
• Collaborative Statistics
• College Trigonometry - Carl Stitz, Jeff Zeager (PDF)
• Combinatorics Through Guided Discovery - Kenneth Bogart
• Complex Analysis - George Cain
• Computational and Inferential Thinking. The Foundations of Data Science - Ani Adhikari, John DeNero, David Wagner
• Computational Geometry
• Computational Mathematics with SageMath - Paul Zimmermann, Alexandre Casamayou, Nathann Cohen, Guillaume Connan, et al. (PDF)
• Concepts & Applications of Inferential Statistics
• Convex Optimization - Stephen Boyd, Lieven Vandenberghe
• Coordinate Geometry (1911) - Henry Buchard Fine, Henry Dallas Thompson (PDF)
• Differential Equations - Paul Dawkins (PDF, use download menu to download)
• Differential Equations (1922) - H. B. Phillips (PDF)
• Discrete Mathematics: An Open Introduction - Oscar Levin
• Discrete Mathematics: First and Second Course - Edward A. Bender, S. Gill Williamson
• Elementary Differential Equations - William F. Trench (PDF)
• Elementary Differential Equations (with Boundary Value Problems) - William F. Trench
• Elementary Number Theory: Primes, Congruences, and Secrets - William Stein
• Elementary Real Analysis - Brian S. Thomson, Judith B. Bruckner, Andrew M. Bruckner
• Elements of Abstract and Linear Algebra - E. H. Connell
• Elements of Differential and Integral Calculus (1911) - William Anthony Granville (PDF)
• Essentials of Metaheuristics - Sean Luke
• First Course in Algebra (1910) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF)
• Foundations of Combinatorics with Applications - Edward A. Bender, S. Gill Williamson
• Foundations of Constructive Probability Theory - Yuen-Kwok Chan (PDF)
• Geometry with an Introduction to Cosmic Topology - Michael P. Hitchman
• Graph Theory
• How We Got from There to Here: A Story of Real Analysis - Robert Rogers, Eugene Boman
• Introduction to Modern Statistics - Mine Çetinkaya-Rundel, Johanna Hardin (HTML, PDF) (email address required for PDF)
• Introduction to Probability - Charles M. Grinstead, J. Laurie Snell (PDF)
• Introduction to Probability and Statistics Spring 2014
• Introduction to Proofs - Jim Hefferon
• Introduction to Real Analysis - William F. Trench
• Introduction to Statistical Thought - Michael Lavine
• Introductory Statistics for the Life and Biomedical Sciences - Julie Vu, David Harrington
• Kalman and Bayesian Filters in Python
• Knapsack Problems - Algorithms and Computer Implementations - Silvano Martello, Paolo Toth
• Lecture Notes of Linear Algebra - Dr. P. Shunmugaraj, IIT Kanpur (PDF)
• Lecture Notes on Linear Algebra - Dr. Arbind K Lal, Sukant Pati (PDF) (:construction: in process)
• Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics - Jonathan A. Poritz (PDF)
• Linear Algebra - David Cherney et al. (PDF)
• Linear Algebra - Jim Hefferon
• Linear Algebra Done Wrong - Sergei Treil
• Linear Algebra, Infinite Dimensions, and Maple - James Herod
• Linear Methods of Applied Mathematics - Evans M. Harrell II, James V. Herod
• Magic Squares and Cubes (1917) - W. S. Anderson (PDF)
• Math in Society - David Lippman
• Mathematical Analysis I - Elias Zakon
• Mathematical Discovery - Andrew M. Bruckner, Brian S. Thomson, Judith B. Bruckner
• Mathematical Logic - an Introduction (PDF)
• Mathematical Reasoning: Writing and Proof - Ted Sundstrom
• Mathematics, MTH101A - P. Shunmugaraj, IIT Kanpur
• Modern Statistics for Modern Biology - Susan Holmes, Wolfgang Huber
• Multivariable Calculus - George Cain, James Herod
• Non-Uniform Random Variate Generation - Luc Devroye (PDF)
• Notes on Diffy Qs - Jiří Lebl
• Number Theory - Holden Lee MIT
• Number Theory: In Context and Interactive - Karl-Dieter Crisman (HTML, PDF)
• Odds and Ends: Introducing Probability & Decision with a Visual Emphasis - Jonathan Weisberg
• Online Statistics Education - David Lane
• OpenIntro Statistics - David M. Diez, Christopher D. Barr, Mine Çetinkaya-Rundel
• ORCCA: Open Resources for Community College Algebra - Portland Community College
• Ordinary Differential Equations - Wikibooks
• Paul's Online Notes: Algebra, Calculus I-III and Differential Equations - Paul Dawkins @ Lamar University
• Plane Geometry (1913) - George Wentworth, David Eugene Smith (PDF)
• Planes and Spherical Trigonometry (1915) - George Wentworth, David Eugene Smith (PDF)
• Precalculus - Carl Stitz, Jeff Zeager (PDF)
• Probability and Statistics Cookbook
• Probability and Statistics EBook
• Probability: Lectures and Labs - Mark Huber
• Recreations in Math - H. E. Licks (PDF)
• Sage for Undergraduates - Gregory Bard
• Second Course in Algebra - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF)
• Seven Sketches in Compositionality: An Invitation to Applied Category Theory - Brendan Fong, David I. Spivak (PDF)
• Statistical Thinking for the 21st Century - Russell A. Poldrack
• Statistics Done Wrong - Alex Reinhart
• SticiGui - Philip Stark
• Tea Time Numerical Analysis - Leon Q. Brin
• The Open Logic Text - Open Logic Project (PDF)
• Think Bayes: Bayesian Statistics Made Simple - Allen B. Downey
• Think Stats: Probability and Statistics for Programmers - Allen B. Downey (using Python)
• Vector Calculus - Michael Corral
• Yet Another Introductory Number Theory Textbook - Jonathan A. Poritz (PDF)

Mathematics For Computer Science

• A Mathematical Theory of Communication - Claude E.Shannon
• Combinatorial Problems And Exercises (1979) - L. Lovasz (:card_file_box: archived)
• Discrete Structures for Computer Science: Counting, Recursion, and Probability - Michiel Smid
• Exploring Math for Programmers and Data Scientists - Paul Orland
• Graph Theory Exercises - Paulo Feofiloff (PDF)
• Isomorphism -- Mathematics of Programming - Larry LIU Xinyu
• Mathematics for Computer Science - Eric Lehman, F. Thomson Leighton, Albert R. Meyer (PDF)

Misc

• 10 Keys to Great Landing Pages - iThemes Media (PDF)
• 2016 European Software Development Salary Survey - Andy Oram, John King (HTML)
• 2016 Software Development Salary Survey - John King, Roger Magoulas (HTML)
• A MACHINE MADE THIS BOOK ten sketches of computer science - JOHN WHITINGTON (PDF)
• Ansible Up & Running (first three chapters) (account required)
• Asterisk™: The Definitive Guide - Leif Madsen, Jim Van Meggelen, Russell Bryant (HTML)
• Atomic Design - Brad Frost
• Barcode Overview (PDF)
• Come, Let's Play: Scenario-Based Programming Using Live Sequence Charts - David Harel, Rami Marelly
• Communicating Sequential Processes - Tony Hoare (PDF)
• Confessions of an Unintentional CTO: Lessons in Growing a Web App - Jack Kinsella
• Culture & Empire: Digital Revolution - Pieter Hintjens (PDF)
• Design With FontForge
• Designing Interfaces - Jennifer Tidwell
• DevDocs - Documents for Developers in 1 place
• DevOps For Dummies, 3rd IBM Limited Edition - Sanjeev Sharma, Bernie Coyne (PDF)
• Digital Signal Processing For Communications - Paolo Prandoni, Martin Vetterli
• Digital Signal Processing For Engineers and Scientists - Steven W. Smith
• Digital Signal Processing in Python - Allen B. Downey
• "DYNAMIC LINKED LIBRARIES": Paradigms of the GPL license in contemporary software - Luis A. Enríquez
• Encyclopedia of Human Computer Interaction 2nd Edition
• Essential Image Optimization - Addy Osmani
• Foundations of Programming - Karl Seguin (PDF)
• Front-End Developer Handbook 2016 - Cody Lindley (HTML)
• Front-End Developer Handbook 2017 - Cody Lindley (HTML)
• Front-End Developer Handbook 2018 - Cody Lindley (HTML)
• Front-End Developer Handbook 2019 - Cody Lindley (HTML)
• Getting Real - Basecamp, 37signals (HTML, PDF)
• GNU GREP and RIPGREP - Sundeep Agarwal
• Google Maps API Succinctly - Mark Lewin
• Hacknot: Essays on Software Development - Ed Johnson
• Hello SDL - Lazy Foo' Productions
• High-Performance Scientific Computing (class lectures and slides)
• HoloLens Succinctly - Lars Klint
• How Computers Work - R. Young
• How to Become a Programmer - Rob Walling (PDF)
• How To Manage Remote Servers with Ansible - Erika Heidi (PDF, EPUB)
• How to Think Like a Computer Scientist - Peter Wentworth, Jeffrey Elkner, Allen B. Downey, Chris Meyers
• Image Processing in C: Analyzing and Enhancing Digital Images - Dwayne Phillips
• Information Technology and the Networked Economy - Patrick McKeown (PDF) (:card_file_box: archived)
• Introduction to Scientific Programming in C++ and Fortran - Victor Eijkhout (PDF)
• IRPF90 Fortran code generator - Anthony Scemama
• Learn Programming - Antti Salonen
• Learn to Program - Chris Pine
• Learning 30 Technologies in 30 Days: A Developer Challenge - Shekhar Gulati
• Linked Data Patterns: A pattern catalogue for modelling, publishing, and consuming Linked Data - Leigh Dodds, Ian Davis
• Magic Ink: Information Software and The Graphical Interface - Bret Victor
• Mobile Developer's Guide to the Galaxy (HTML)
• Modeling Reactive Systems with Statecharts - D. Harel, M. Politi
• MSIX Succinctly - Matteo Pagani
• Networks, Crowds, and Markets: Reasoning About a Highly Connected World - David Easley, Jon Kleinberg
• Object-Oriented Reengineering Patterns - Serge Demeyer, Stéphane Ducasse, Oscar Nierstrasz
• Open Government; Collaboration, Transparency, and Participation in Practice - Daniel Lathrop, Laurel Ruma
• PDQ: Pretty Darn Quick: An Agile, All-Purpose Methodology - Jeff Franz-Lien (Leanpub account or valid email requested)
• Philosophy of Computer Science (PDF)
• PNG: The Definitive Guide - Greg Roelofs
• Pointers And Memory - Nick Parlante (PDF)
• Principles of Computer System Design (PDF)
• Programming Fundamentals - Kenneth Leroy Busbee, Dave Braunschweig
• Programming with Unicode
• Real-World Maintainable Software - Abraham Marin-Perez
• Record-Playback Test Automation: Sahi & Selenium IDE: Critical Evaluation of Record-Playback Automation Tools - Shashikant Jagtap (Leanpub account or valid email requested)
• Scientific Programming and Computer Architecture - Divakar Viswanath
• Signal Computing: Digital Signals in the Software Domain - Michael Stiber, Bilin Zhang Stiber, Eric C. Larson (PDF)
• Small Memory Software - Charles Weir, James Noble (HTML)
• Web Almanac (PDF)
• Writing Native Mobile Apps in a Functional Language Succinctly - Vassili Kaplan

Networking

• An Introduction to Computer Networks (HTML, PDF, Kindle)
• Beej's Guide to Network Programming - Using Internet Sockets - Brian "Beej Jorgensen" Hall (HTML, PDF)
• Bits, Signals, and Packets: An Introduction to Digital Communications and Networks
• Code Connected vol.1 (PDF) (book on ZeroMQ)
• Computer Networking : Principles, Protocols and Practice (HTML, ePub, PDF, Kindle)
• Computer Networks: A Systems Approach - Larry Peterson, Bruce Davie (HTML, epub, mobi, PDF)
• Distributed systems for fun and profit
• High-Performance Browser Networking - Ilya Grigorik
• How HTTPS Works - DNSimple
• HTTP Succinctly, Syncfusion (PDF, Kindle) (email address requested, not required)
• HTTP2 Explained - Daniel Stenberg
• Introduction to HTTP - Launch School
• IPv6 for IPv4 Experts - Yar Tikhiy (PDF)
• Kafka gentle introduction - Mitch Seymour
• Kafka, The definitive Guide - Neha Narkhede (PDF)
• Linux IP Stacks Commentary - Stephen Satchell, H. B. J. Clifford (HTML) (:construction: in process)
• Mininet Walkthrough
• Network Science - Albert-Laszló Barabási
• Networking! ACK! - Julia Evans (PDF)
• Securing Wireless Networks for the Home User Guide - Mohamed Adel (HTML)
• The TCP/IP Guide
• Understanding IP Addressing: Everything you ever wanted to know (PDF)
• ZeroMQ Guide

Object Oriented Programming

• Object Oriented Programming - Robert Harle (PDF)

Open Source Ecosystem

• Contributing to opensource: the right way - Daniele Scasciafratte
• Data Journalism Handbook
• Free as in Freedom: Richard Stallman and the free software revolution - Sam Williams (PDF)
• Free for All - Peter Wayner
• Free Software, Free Society: Selected Essays of Richard M. Stallman
• Getting Started with InnerSource (email address requested, not required)
• Getting started with Open source development (PDF)
• GitLab Handbook
• How to get started with open source (ePub & ODT)
• Innovation Happens Elsewhere - Ron Goldman, Richard P. Gabriel
• Introduction to Networking - Charles Severance (PDF)
• Open Advice: FOSS: What We Wish We Had Known When We Started
• Open source in Brazil - Andy Oram
• Producing Open Source Software - Karl Fogel
• Roads and Bridges: The Unseen Labor Behind Our Digital Infrastructure - Nadia Eghbal
• The Architecture of Open Source Applications: Vol. 1: Elegance, Evolution, and a Few Fearless Hacks; Vol. 2: Structure, Scale, and a Few More Feerless Hacks
• The Art of Community - Jono Bacon (PDF)
• The Cathedral and the Bazaar - Eric S. Raymond
• The Future of the Internet - Jonathan Zittrain
• The Open Source Way
• The Wealth of Networks: How Social Production Transforms Markets and Freedom - Yochai Benkler

Operating Systems

• A short introduction to operating systems (2001) - Mark Burgess (PDF)
• Computer Science from the Bottom Up - Ian Wienand (PDF)
• Flexible Operating System Internals: The Design and Implementation of the Anykernel and Rump Kernels - Antti Kantee (PDF)
• How to Make a Computer Operating System - Samy Pesse (:construction: in process)
• How to write a simple operating system in assembly language - Mike Saunders (HTML)
• Linux From Scratch - Gerard Beekmans, Bruce Dubbs, Ken Moffat, Pierre Labastie, et al. (HTML, PDF, downloads...)
• Making Servers Work: A Practical Guide to Linux System Administration - Jamon Camisso (PDF, EPUB)
• Operating Systems and Middleware - Max Hailperin (PDF, LaTeX)
• Operating Systems: From 0 to 1 - Tu, Ho Doang (PDF) (:construction: in process)
• Operating Systems: Three Easy Pieces - Remzi H. Arpaci-Dusseau and Andrea C. Arpaci-Dusseau (PDF)
• Practical File System Design: The Be File System - Dominic Giampaolo (PDF)
• Project Oberon: The Design of an Operating System, a Compiler, and a Computer - Niklaus Wirth, Jürg Gutknecht (PDF)
• The Art of Unix Programming - Eric S. Raymond (HTML)
• The Little Book About OS Development - Erik Helin, Adam Renberg - (PDF, HTML)
• The Little Book of Semaphores - Allen B. Downey (PDF)
• Think OS: A Brief Introduction to Operating Systems - Allen B. Downey (PDF)
• UNIX Application and System Programming, lecture notes - Prof. Stewart Weiss (PDF)
• Writing a Simple Operating System from Scratch - Nick Blundell (PDF)
• Xv6, a simple Unix-like teaching operating system - Russ Cox, Frans Kaashoek and Robert Morris (PDF, HTML)

Parallel Programming

• High Performance Computing - Charles Severance, Kevin Dowd (PDF, ePUB)
• High Performance Computing Training (LLNL materials)
• High-Performance Scientific Computing (class lectures and slides)
• Introduction to High-Performance Scientific Computing - Victor Eijkhout
• Introduction to Parallel Computing - Blaise Barney
• Is Parallel Programming Hard, And, If So, What Can You Do About It? - Paul E. McKenney
• Programming on Parallel Machines; GPU, Multicore, Clusters and More - Norm Matloff Kerridge (PDF) (email address requested, not required)
• The OpenCL Programming Book

Partial Evaluation

• Partial Evaluation and Automatic Program Generation - Neil D. Jones, C.K. Gomard, Peter Sestoft (PDF)

Professional Development

• Clean Code Developer: An initiative for more professionalism in software development (:construction: in process)
• Confessions of an IT Manager - Phil Factor (PDF)
• Don't Just Roll the Dice - Neil Davidson (PDF)
• How to Do What You Love & Earn What You’re Worth as a Programmer - Reginald Braithwaite
• How to Learn to Code & Get a Developer Job in 2023 - Quincy Larson
• Professional Software Development For Students - Mike G. Miller
• Software Engineering at Google - Titus Winters, Tom Manshreck, Hyrum Wright
• Software Environment Concepts - Amr Elmohamady (:construction: in process)
• What I've Learned From Failure - Reginald Braithwaite

Programming

• Design of a Programmer - Prakash Hegade (PDF)
• Introduction to Computer Science - Prof. Subhashis Banerjee, IIT Delhi
• Introduction to Computing - David Evans
• Principled Programming / Introduction to Coding in Any Imperative Language - Tim Teitelbaum
• Programming and Programming Languages - Shriram Krishnamurthi
• Programming Languages: Application and Interpretation (2nd Edition) - Shriram Krishnamurthi
• Structure and Interpretation of Computer Programs - Harold Abelson, Gerald Jay Sussman, Julie Sussman (PDF)
• Structure and Interpretation of Computer Programs - Harold Abelson, Gerald Jay Sussman, Julie Sussman (HTML)
• The Black Art of Programming - Mark McIlroy
• The Craft of Programming - John C. Reynolds
• The Nature of Code - Daniel Shiffman (HTML)
• Think Complexity - - Allen B. Downey (2nd Edition) (PDF, HTML)

Programming Paradigms

• Flow based Programming - J Paul Morrison
• Introduction to Functional Programming - J. Harrison
• Making Sense of Stream Processing - Martin Kleppmann (PDF)
• Mostly Adequate Guide to Functional Programming - Mostly Adequate Core Team
• The Pure Function Pipeline Data Flow v3.0 ---- the Grand Unified Programming Theory - Lin Pengcheng
• Type Theory and Functional Programming

Quantum Computing

• Introduction to Classical and Quantum Computing - Thomas G. Wong (PDF)
• Learn Quantum Computation using Qiskit - Frank Harkins, et al. (HTML)
• Quantum Algorithms - Michele Mosca (PDF)
• Quantum Computing for the Quantum Curious - Ciaran Hughes, Joshua Isaacson, Anastasia Perry, Ranbel F. Sun, Jessica Turner (HTML, PDF, EPUB)
• The Functional Analysis of Quantum Information Theory - Ved Prakash Gupta, Prabha Mandayam, V. S. Sunder (PDF)

Regular Expressions

• JavaScript RegExp - Sundeep Agarwal
• Python re(gex)? - Sundeep Agarwal
• Regular Expressions for Regular Folk - Shreyas Minocha
• RexEgg
• Ruby Regexp - Sundeep Agarwal
• The 30 Minute Regex Tutorial - Jim Hollenhorst

Reverse Engineering

• BIOS Disassembly Ninjutsu Uncovered 1st Edition - Darmawan Salihun (PDF)
• Hacking the Xbox: An Introduction to Reverse Engineering - Andrew "bunnie" Huang
• iOS App Reverse Engineering (PDF)

Search Engines

• Elasticsearch Certified Engineer notes - (HTML)
• Elasticsearch: The Definitive Guide (fork it on GH)
• Search Engines: Information Retrieval in Practice - W. Bruce Croft, Donald Metzler, Trevor Strohman (PDF)
• Solr for newbies workshop (2019) - Hector Correa (PDF)

Security & Privacy

• A Graduate Course in Applied Cryptography
• Crypto 101 - Crypto for everyone
• Cryptography - Wikibooks (HTML) (:construction: in process)
• CryptoParty Handbook
• Gray Hat Hacking: The Ethical Hacker's Handbook - Allen Harper, Jonathan Ness, Chris Eagle, Shon Harris, Gideon Lenkey, Terron Williams (PDF)
• Handbook of Applied Cryptography
• How HTTPS works - dnsimple
• How to deal with Passwords
• Information Security Management - Marcos Sêmola (PDF)
• Intrusion Detection Systems with Snort (PDF)
• OpenSSL Cookbook
• OWASP Mobile Security Testing Guide - Bernhard Mueller et al.
• OWASP Testing Guide 4.2 - The OWASP® Foundation (HTML, PDF)
• OWASP Top 10 for .NET Developers
• Practical Cryptography for Developer - Svetlin Nakov (GitBook) (:construction: in process)
• Programming Differential Privacy - Joseph Near, Chiké Abuah (HTML, PDF)
• Security Engineering
• The Joy of Cryptography (2021) - Mike Rosulek (PDF)

Software Architecture

• A Primer on Design Patterns - Rahul Batra (HTML)
• Agile Planning: From Ideas to Story Cards - Launch School
• Architectural Styles and the Design of Network-based Software Architectures - Roy Thomas Fielding
• Best Kept Secrets of Peer Code Review
• Building Secure & Reliable Systems - Heather Adkins, Betsy Beyer, Paul Blankinship, Piotr Lewandowski, Ana Oprea, Adam Stubblefield (PDF)
• Code Simplicity: The Fundamentals of Software - Max Kanat-Alexander (PDF)
• Data-Oriented Design
• Designing Event-Driven Systems. Concepts and Patterns for Streaming Services with Apache Kafka - Ben Stopford (PDF)
• Developing Reactive Microservices (email address requested, not required)
• Domain Driven Design Quickly
• Domain-Driven Design Reference - Eric Evans
• DSL Engineering: Designing, Implementing and Using Domain-Specific Languages - Markus Voelter
• Exploring CQRS and Event Sourcing - Dominic Betts, Julián Domínguez, Grigori Melnik, Mani Subramanian, Fernando Simonazzi (EPUB, PDF - code samples)
• Guide to the Software Engineering Body of Knowledge (email adddress requested)
• How to Design Programs
• How to Write Unmaintainable Code
• Kanban and Scrum - making the most of both
• Microservices AntiPatterns and Pitfalls - Mark Richards (PDF) (:card_file_box: archived)
• Microservices vs. Service-Oriented Architecture - Mark Richards (HTML)
• Migrating to Cloud-Native Application Architectures (email address requested) (PDF)
• Naked objects - Richard Pawson (PDF)
• OAuth - The Big Picture (email address requested)
• Object-Oriented Reengineering Patterns - S. Demeyer, S. Ducasse, O. Nierstrasz
• Practicing Domain-Driven Design - Part 1 - Scott Millett (Leanpub account or valid email requested)
• Reactive Microservices Architecture (email address requested)
• Reactive Microsystems: The Evolution of Microservices at Scale (email address requested)
• Refactor Like a Superhero - Alex Bespoyasov
• Scrum and XP from the Trenches
• Serverless apps: Architecture, patterns, and Azure implementation
• Serverless Design Patterns and Best Practices - Brian Zambrano (Packt account required)
• Shape Up - Stop Running in Circles and Ship Work that Matters - Ryan Singer (PDF)
• Site Reliability Engineering
• Software Architecture Patterns (email address requested, not required)
• Software Engineering for Internet Applications
• Source Making Design Patterns and UML
• Test Driven Development, Extensive Tutorial - Grzegorz Gałęzowski
• The Catalog of Design Patterns
• The Site Reliability Workbook - Betsy Beyer, Niall Richard Murphy, David K. Rensin, Kent Kawahara, Stephen Thorne
• Web API Design - Brian Mulloy (PDF)
• Working with Web APIs - Launch School
• Your API Is Bad - Paddy Foran

Standards

• Linux Standard Base
• UNIX - The POSIX Standard - IEEE Std 1003.1

Theoretical Computer Science

• Building Blocks for Theoretical Computer Science - Margaret M. Fleck
• Category Theory for Computing Science (PDF)
• Category Theory for Programmers - Bartosz Milewski (PDF)
• Delftse Foundations of Computation - Stefan Hugtenburgand, Neil Yorke-Smith @ TU Delft Open (PDF)
• Homotopy Type Theory: Univalent Foundations of Mathematics (PDF)
• Introduction to Theory of Computation - Anil Maheshwari, Michiel Smid (PDF)
• Models of Computation - John E. Savage
• Practical Foundations for Programming Languages, Preview - Robert Harper (PDF)
• Principles of Programming Languages - Scott F. Smith
• Programming in Martin-Löf's Type Theory - Bengt Nordstroem
• Programming Languages: Application and Interpretation (2nd Edition) - Shriram Krishnamurthi
• Programming Languages: Theory and Practice - Robert Harper (PDF)
• Semantics with Applications: A Formal Introduction - Hanne Riis Nielson, Flemming Nielson (PDF)

Version Control Systems

• A git Primer - Daniel Miessler
• A Visual Git Reference - Mark Lodato
• Conversational Git - Alan Hohn
• get-git - Arialdo Martini (HTML, PDF, EPUB)
• git - the simple guide - Roger Dudler (HTML)
• Git cookbook - Dennis Kaarsemaker (HTML)
• Git for Computer Scientists - Tommi Virtanen
• Git From The Bottom Up - J. Wiegley
• Git Immersion - Jim Weirich (HTML)
• Git In The Trenches - Peter Savage
• Git internals - Scott Chacon (PDF)
• Git Magic - Ben Lynn, et al. (HTML, PDF, EPUB)
• Git Notes for Professionals - Compiled from StackOverflow Documentation (PDF)
• Git Pocket Guide - Richard E. Silverman
• Git Reference - The GitHub team (:card_file_box: archived)
• Git Succinctly, Syncfusion - Ryan Hodson (PDF, Kindle) (email address requested, not required)
• Git Tutorial - Tutorials Point (HTML, PDF)
• Git-Tutorial For-Beginners - HubSpot Product Team
• Git Workflows - Yan Pritzker (:card_file_box: archived)
• Happy Git and GitHub for the useR - Jenny Bryan
• Hg Init: a Mercurial Tutorial - Joel Spolsky
• How to Collaborate on GitHub: A mini book about collaborating on GitHub - André J
• Introduction to Git and Github - Launch School
• Introduction to Git and Github - Tutorial - Dr. Chris Bourke (PDF)
• Introduction to Git and GitHub eBook - Bobby Iliev (Markdown, PDF)
• Learn Git - Learn Version Control with Git - Tobias Günther
• Mercurial: The Definitive Guide - Bryan O'Sullivan
• Mercurial: The Definitive Guide 2nd edition - Bryan O'Sullivan
• Pro Git - Scott Chacon, Ben Straub (HTML, PDF, EPUB, Kindle)
• Pro Git Reedited - Jon Forrest
• Ry's Git Tutorial - Ryan Hodson (:card_file_box: archived)
• Subversion Version Control - William Nagel (PDF)
• Think Like (a) Git: A Guide for the Perplexed - Sam Livingston-Gray
• Version Control with Subversion - Ben Collins-Sussman, Brian W. Fitzpatrick, C. Michael Pilato

Web Performance

• Book of Speed - Stoyan Stefanov
• Designing for Performance - Lara Hogan
• High Performance Accelerated Websites - Anshul (HTML) (:construction: in process)
• High Performance Browser Networking - Ilya Grigorik
• Mature Optimization - Carlos Bueno (PDF)

Web Services

• RESTful Web Services (PDF)

Workflow

• Declare Peace on Virtual Machines. A guide to simplifying vm-based development on a Mac