GCC for 32-bit and 64-bit Windows with a real installer & updater
A fast, portable, simple, and free C/C++ IDE
A simple and fast frontend for the QEMU Emulator - Freeware.
World’s only programming language that’s bursting with emojis
Best IDE for Beginners
Parser generator, targetting C, C++, Python, JavaScript, JSON and XML
Hybrid visualization framework for desktops, large immersive displays
An object-oriented script language to embed in any application
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
C / C++ everything-memory debugger
Build System for FLDIGI Applications
An HTML5 parsing library in pure C99
C/C++ Compiler for the ActionScript Virtual Machine (AVM2)
C library, that logs memory changes made by malloc and free.
The serial LCD module using ATmega8 along with easy arduino library.
The solution to all your problems
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal
Superseded by http://www.ti.com/tool/msp430-gcc-opensource
Generic Memoization Library for C
All in, COBOL