A native Windows port of the GNU Compiler Collection (GCC)
A free, portable, fast and simple C/C++ IDE
A complete runtime environment for gcc
SIMD-accelerated libjpeg-compatible JPEG codec library
Disk Inspection and Monitoring
Provides native Win32 open source ports and utilities
A cross-platform library that gives apps easy access to USB devices
Swiss army knife of image processing
Versatile Commodore Emulator
Highly portable CD/DVD/BluRay command line recording software
GCC for 32-bit and 64-bit Windows with a real installer & updater
You can message and share files inside your intranet without a server.
Ports of Unix and GNU software to MS-Windows
Common Lisp compiler and runtime
A very efficient tutor.
PDF transformation/manipulation program + library
Screen capture, OCR and translation tool
a parametric 3D CAD modeler
An implementation of the POSIX threads API for Windows
Icecast and Shoutcast broadcasting client