An open-source x64/x32 debugger for windows.
Development is done on GitHub (https://github.com/x64dbg/x64dbg). Daily snapshots are uploaded here, snapshots for every commit can be found on http://releases.x64dbg.com
Code Medic provides an elegant, graphical interface to gdb's most important features and integrates with Code Crusader.
FAQ: https://github.com/jafl/jx_application_framework/tree/master/programs/code_medic#readme
ChangeLog: http://codemedic.sourceforge.net/ChangeLog.html