An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

Cheat Engine. A development environment focused on modding

Code to demonstrate how to use native NT syscalls to create a debugger

edb is a cross-platform AArch32/x86/x86-64 debugger.

Project moved to: https://github.com/llvm/llvm-project

A GUI frontend for LLDB.

State-of-the-art native debugging tool

x86 and x64 assembly "read-eval-print loop" for Windows

Debugging Framework for Windows.

Ghidra is a software reverse engineering (SRE) framework

QEMU Interactive Runtime Analyser

Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, PowerPC, RiscV, S390x, TriCore, X86)

Free and Open Source Reverse Engineering Platform powered by rizin

Deep ghidra decompiler and sleigh disassembler integration for rizin

Record and Replay Framework

x64dbg Dark Theme - Own use

Diff plugin for x64dbg

Open-source user-mode Anti-Anti-Debug plugin for x64dbg & cheatengine.

Advanced usermode anti-anti-debugger. Forked from https://bitbucket.org/NtQuery/scyllahide

RenderDoc is a stand-alone graphics debugging tool.

Seer - a gui frontend to gdb

An in-game UI for exploring, debugging and modifying IL2CPP and Mono Unity games.

ReClassEx

🐞 A tiny Windows x86 debugging framework written in C++20 that supports software breakpoints and hardware breakpoints. It can be used to create custom debuggers.

A collection of x64dbg scripts. Feel free to submit a pull request to add your script.

Cheap EMUlator: lightweight multi-architecture assembly playground

A lightweight dynamic instrumentation library

DEFCON 27 workshop - Modern Debugging with WinDbg Preview

ret-sync is a set of plugins that helps to synchronize a debugging session (WinDbg/GDB/LLDB/OllyDbg2/x64dbg) with IDA/Ghidra/Binary Ninja disassemblers.