A list of tools and information helpful for debugging.
API Monitor, Rohitab Download
Process Monitor, Mark Russinovich / Microsoft Download
CFF Explorer Suite Download - Inspection for Portable Executables (PE)
ChkMatch Download from archive.org - Checks whether PDB and DLL/EXE match
DebugDir Download - originally developed by Oleg Starodumov
DebugView++ Github - a faster alternative to DebugView; BSL license
DebugView, Mark Russinovich / Microsoft Download - this is the original, but use DebugView++ instead, because they improved it really well
Dependencies Github - more recent version of Dependency Walker
Dependency Walker Download - seems to have problems with recursive DLL imports; status: probably abandoned
Process Explorer, Microsoft Download
DynLogger, NTCore Download
Driver List, NTCore Download
Filter Monitor, NTCore Download
MS Build Log Viewer Download
Visual Studio, Microsoft Download - Community edition is free
ProcDump, Mark Russinovich / Microsoft Download - will detect bitness automatically (or specify -64)
WinDbg, Microsoft Download - .dump /ma <filename>.dmp will use the bitness of the debugger you used for attaching
Process Explorer, Microsoft Download - will detect bitness automatically
Windows Error Reporting LocalDumps Registry key, Microsoft Microsoft Docs
DebugDiag, Microsoft Download - will create dumps with the same bitness as DebugDiag
ADPlus, Microsoft - part of WinDbg, will create dumps with the same bitness as ADPlus
LeakDiag - status: super old, only works on Windows XP
Visual Leak Detector Download - GPL v2.1 license; status: probably abandoned
UMDH, Microsoft Microsoft Docs - part of WinDbg
UMDH GUI, ATrefzer Github - MIT license; graphical user interface for UMDH
Application Verifier, Microsoft Microsoft Docs - is part of the Windows SDK
EZ Application Verifier Github - enable Application Verifier and LocalDumps for a lot of executables
GFlags, Microsoft - is part of WinDbg
DebugDiag, Microsoft Download
WinDbg, Microsoft Download - is part of the Windows SDK
WinDbg Preview, Microsoft Windows Store - has a much nicer usability and seems as stable as the regular version
WinDbg Cheat Sheet, ATrefzer Github
CLR Profiler, Microsoft Github, Wikipedia - status: archived, no longer maintained; MIT license
dnSpy Github - status: archived, no longer maintained; GPLv3 license
dotPeek, Jetbrains Download - free version available
ILSpy, Microsoft Github - MIT license
JustDecompile, Telerik Download, direct Download - with an open source engine Github under Apache 2.0 license
Reflector, Redgate - Download - commercial product ~100€ per user
NETUnpack, Erik Pistelli Download
SNSRemover, Erik Pistelli direct download - removes strong name signatures
MDbg, Microsoft Microsoft Docs - .NET command line debugger
SOS, Microsoft - extension for WinDbg in order to deal with managed applications. Comes with .NET Framework. Try .loadby sos clr for .NET 4, .loadby sos coreclr for .NET Core and Silverlight , .loadby sos mscorwks or loadby sos mscorsvr for .NET 2
SOSEx, Steve Johnson Download- extension for WinDbg, adding features that are missing in SOS
msos, Sasha Goldshtein Github - .NET command line debugger; alternative for WinDbg + SOS; MIT license
soswow64, poizan42 Github - Patch processor information so that SOS works on 64 bit dumps of 32 bit applications
Snoop Github - WPF spy, Visual inspector, MS-PL license
dotnet-dump, Microsoft Microsoft Docs - collect and analyze .NET Core crash dumps, similar to ProcDump or DebugDiag
dotnet-counters, Microsoft Microsoft Docs - performance counters for .NET Core
dotnet-gcdump, Microsoft Microsoft Docs - memory snapshots for leak analysis
dotnet-trace, Microsoft Microsoft Docs - performance analysis utility
dotnet-symbol, Microsoft Microsoft Docs - downloads .NET COre symbols
dotnet-sos, Microsoft Microsoft Docs - SOS for .NET Core
Exctrlst, Microsoft Article - Extensible Counter List tool; was part of the Windows 2000 Resource Kit; status: probably outdated
Hawkeye Github - edit .NET objects in memory; status: probably abandoned
Managed Stack Explorer (MSE) Github
Sharplab online tool - use Inspect.Heap(new X()); to see the memory layout of an object
0xd4d Github
Sasha Goldshtein Twitter
Steve Johnson Website
Mark Russinovich Wikipedia, Website, Twitter - author or Windows Internals books, now CTO of Microsoft Azure
Oleg Starodumov, author of debuginfo.com (down) and Microsoft MVP Blogspot, Microsoft MVP Blogs
Tess Ferrandez Blog - former Microsoft Escalation Engineer, debugging ASP .NET with WinDbg