A free C, C++ and Fortran IDE
Record and Replay Framework
Rapid applications development tool and libraries for FPC
an object-oriented language with late binding
A multi-language debugging system for Vim
AVR simulator IDE
Homebrew toolchains for wii, gamecube, 3ds, ds, gba, gp32 and psp
C / C++ everything-memory debugger
An experimental BASIC language for Linux, Mac OS X, and Windows.
C library, that logs memory changes made by malloc and free.
Superseded by http://www.ti.com/tool/msp430-gcc-opensource