1.x64dbg / x64dbgAn open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.debuggerwindowsx64disassemblerreverse-engineeringsecurity+14 moreC++Other license50K total2.9K forks+115 starsfrom 50,023 · score 4.75
2.rizinorg / cutterFree and Open Source Reverse Engineering Platform powered by rizincutterguireverse-engineeringsecuritydebuggerC++GPL-3.020K total1.5K forks+35 starsfrom 20,092 · score 3.58
3.baldurk / renderdocRenderDoc is a stand-alone graphics debugging tool.openglvulkanvulkan-apidirectxdirect3dd3d11+5 moreC++MIT11K total1.8K forks+26 starsfrom 11,227 · score 3.30
4.x64dbg / ScyllaHideAdvanced usermode anti-anti-debugger. Forked from https://bitbucket.org/NtQuery/scyllahideanti-debugginganti-debugdebuggingdebuggerdebugx64dbg+3 moreC++GPL-3.04.4K total515 forks+14 starsfrom 4,355 · score 2.71
5.rr-debugger / rrRecord and Replay Frameworkdebuggergdbreverse-executionlinuxC++Other license11K total667 forks+13 starsfrom 10,719 · score 2.64