GDBFrontend is an easy, flexible and extensible gui debugger
A powerful, lighweight and cross-platform C/C++ IDE
Use simulation to perform statistical analyses.
Qt-based Apple //e emulator, in C++
A powerful and lightweighted C/C++ IDE
Patches to Ruby 2.x and 1.9 to support beautiful debugging
A simulator for Atmel's 8/16-bit AVR microcontrollers
Bochs RPC (win32 Remote Procedure Call) Debugger
Visual C++ Utility Library