The Mono project is a cross platform implemention of the ECMA standard for CLI and C# (.NET). It currently is made up of a c# compiler (mcs), CLI runtime (both interpreted and JIT versions), and standard core class library.
License: GPL/LGPL/MIT X11
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!