EST - Usefull links

• GNU General Public License,
• GNU Home Page, (also mirror in Austria),
• GNU Emacs for Windows 95/98/ME, and 2000.

• MinGW: Minimalist GNU For Windows,
• Cygwin Documentation,
• FreeExtractor,
• Pthreads-win32.

• Tcl/Tk on Windows Frequently-Asked Questions,
• SmartGDB,
• tkBuilder.

• The World Wide Web Virtual Library: Formal Methods.

• SourceForge.net,
• Open Source Initiative,
• Mktclapp - A Tool For Mixing C/C++ with Tcl/Tk,
• WinMerge,
• The TeX Catalogue OnLine.