RELIC (Retargetable Embedded Language Independent Compiler) is a compiler tool chain with the goal of complete language and processor independence for embedded microcontrollers and microprocessors.
Mouseth is a cross between the Mouse and Forth programming languages.
The programs are compiled to a very compact, machine independant bytecode, which can then be run on its extremely small virtual machine.
A compiler and cross-compiler for (Currently) Cobol (with Fortran being added later). It is intended to be the first self-hosted open-source Cobol Compiler, e.g. the compiler itself will be written using Cobol.