WinXP, Vista, Win7, linux, OpenSolaris native port of the BSD PSPSDK (ps2dev.org), with freely distributable import libraries and header files (DevPaks) for building cross compiled homebrew Sony PSP (PlayStation Portable) applications.
A C/D/Java style programming language with built in support for concurrent programming (microthreads, actor model). It is implemented as a LLVM front end to allow for native X86 high performance code generation.