Cross-platform tool to build, test and package software
A free C, C++ and Fortran IDE
x64 build of GCC for Windows
Cobol Cross reference tool for GnuCobol written in Cobol
Cross-platform IDE for developing embedded solutions and desktops
Software development for 4Mb portable, using Z80 CPU and AA batteries
Create basic GUI windows for minimal Linux distros
Moved to GitHub...
A native Windows port of the GNU Compiler Collection (GCC)
A visual-based IDE for C language uses block drag and drop technology
WYSIWIG conditional compilation preprocessor for Java etc.
Electronic design and programming tools suite like Eagle, MpLab
A simple to learn but powerful language
Convert C/S type software to B/S type webapp.
Open Utlity is series of unix utlity just like gnu for linux / windows
x86 & x64 Brainfuck Compiler
A very easy-use build toolchain for ARM target on the Windows platform
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
Ccide is a Decision Table preprocessor.