- 8080-assembler Intel 8080 Assembler in Python
- Atalan A fun language compiler for 8-bit systems (6502, 6510, Z80, Atari, Commodore, NES, ZX Spectrum, Atmos) with great optimization
- emuStudio emuStudio is universal computer emulation platform and framework
- FantASM FantASM - A Z80 assembler
- lasm Python based 8080 cross assembler compatible with CP/M LASM
- millfork Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles
- pretty6502 A pretty printer for 6502, Z80, CP1610 and TMS9900 assembler code
- sjasmplus SJAsmPlus: Z80 cross-assembler
- x86-to-z80 Jan Wilmans' attempt at a x86-to-z80 re-assembler, idea nicked from lefticus
- Z80-Pascal Z80-Pascal will be a cross-platform Pascal compiler for Z80 based devices
- z80-rb A Z80 assembler powered by Ruby
- z88dk The development kit for over eighty z80 family machines - c compiler, assembler, linker, libraries
- zmac z80 assembler
- lzee LZE enhancement for Z80
- lzsa Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros
- 8080 8080 emulator
- 8080 8080 microprocessor simulator
- 8080 A complete emulation of the Intel 8080 processor written in C99
- ArduZ80 The first Z80 emulation library for Arduino
- EightBit Collection of eight-bit processor emulators (for various projects)
- EightBitNet Collection of eight-bit processor emulators (for various projects)
- emulate Simple C# CPU Emulation (8080, 6502 and then...)
- Intel-8080-Emulator An Intel 8080 CPU emulator
- js-zx8x ZX80 emulator written in javascript. Includes perfect Z80 emulation core (undocummented instructions, memptr)
- lib8080 Intel 8080 CPU emulation library
- libz80 An emulator of the Z80 processor (C library)
- py8080 Simple 8080 emulator written in Python
- qemu-z80 My development fork of Z80 target for QEMU
- r65emu Arduino emulation library for 8-bit microcomputers based on 6502, i8080 or z80
- RC2014 This is an emulator for the RC2014 Z80 system
- RetroProjects My retro programming projects for some targets including the Amstrad PCW, the CP/M operating system and the Z80 cpu. Includes a Small-C compiler, Z80 assembler, text editor, graphics, Unix-like shell
- Z80 Configurable & fast Z80 CPU emulation written in c++
- z80 Fast and flexible i8080/Z80 emulator in C++
- Z80 Highly portable Zilog Z80 CPU emulator written in ANSI C
- Z80.js Emulator for the Z80 microprocessor
- Z80Core A Z80 core written in Java
- z80cpp Z80 core in C++
- Z80EMUF Emulation of a simple Z80 micro computer for testing or starting own project
- Zany80 Zany80 fantasy computer system
- FAP80 A Z80 retro computer without the retro baggage
- linc80-sbc1 The LiNC80 SBC1 is an 8-bit microcomputer kit, featuring a Z80 processor, a simple yet full-featured design that’s expandable
- vm80a i8080 precise replica in Verilog, based on reverse engineering of real die
- Z80-MBC A complete mini Z80 system with 64kB RAM, Basic and Forth interpreters, CP/M 2.2, QP/M 2.71, Assembler and C toolchains, Serial port, an User led and key
- Z80PC
- ZedRipper a 16-core, 83 MHz Z80 powerhouse as portable as it is impractical
- 8080 Code and documents related to the Intel 8080 processor and the Briel 8800 replica of the Altair 8800
- collapseos Collapse OS is a z80 kernel and a collection of programs, tools and documentation that allows you to assemble an OS
- cpmish An open source sort-of CP/M 2.2 distribution.
- kernel Kernel for z80 calculators
- z80depacker Depackers for Z80
- RetroProjects retro programming projects for some targets including the Amstrad PCW, the CP/M operating system and the Z80 cpu. Includes a Small-C compiler, Z80 assembler, text editor, graphics, Unix-like shell...
- Z80 Code related to the Zilog Z80 microprocessor