Freshmeat page: http://freshmeat.net/projects/cygwin
Cygwin is a DLL which provides a Unix emulation environment for Windows. The Cygwin environment provides a complete port of such development utilities as gcc, binutils, gdb, make, etc., as well as a number of useful utilities.
The Cygwin net release is a mini-distribution including many key OSS libraries and utilities - XFree86, auto*, openssh, apache, squid, mutt, postgresql ....
Finally, note that the advogato project CygWin is an incorrect spelling - Cygwin is not capitalised mid way through, as that provides incorrect emphasis on the windows aspect.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!