FreeSoftware tools provided by GnuProject**s.
Includes
- gcc (GnuCompilerCollection)
- make (GnuMake)
- ld
- bzip2
- diff (QuickDiff, DiffAlgorithm)
- patch
- arch (GnuArch)
- ...
You can find a more complete list in any GNU ftp mirror.
- http://directory.fsf.org/GNU/ (compile the tools yourself, CeeLanguage)
- http://sourceforge.net/projects/gnuwin32/ (for MicrosoftWindows users)