A Java bytecode weaver that enables you to take advantage of the new 1.5 language features in your source code, while still retaining compatibility with 1.4 virtual machines.
An extension of the HPVM Project. Tala aims at being a powerful cross-platform cluster programming language that allows programs to be written once, and run on may OSes. Support will be provided for auto vectorization, optimization and cross compiling.
nwcc is a C compiler for Unix systems targeting *BSD, OSX, Linux and Solaris on x86 (nasm/gas), FreeBSD, OSX and Linux on AMD64 (yasm/gas), Solaris on SPARC, AIX and Linux on PPC/PPC64 and IRIX on MIPS64. Cross-compilation is supported.
A C and C++ Library + a compiler to create Adobe Flash SWF movies up to version 9 (v1.8.1). Supports nearly all the tags, includes an ActionScript compiler. Detailed docs and other tools: convert fonts to Flash, decompile Flash, jpg2swf. LASTEST IS 1.8.4
C/C++ system probe, test and automation toolkit
cstem is a portable toolkit for probing and testing C/C++ system. It consist of 4 scripts: cprobe, cltest, cppdef, mkdep. cstem scripts can be used standalone or as part of software build systems. All scripts are portable and have no dependencies. See wiki for more information and examples.
Open source Modula-2 compiler
This is a project to develop tools for the MOUSE programming language and to encourage its use as an experimental and teaching language.