Binary executable decompiler
The Small Device C Compiler (SDCC), targeting 8-bit architectures
A minimalistic but complete standard Forth compiler in C
multi-platform cross assembler for 6502/6510/65816 cpu
Cross compiling environment to DJGPP v1
EMX compiler hosted on Win32
Full Pascal and Assembly language tool chain for Texas Instrument TI-
MinGW GCC cross development environment for ARM.
MinGW GCC cross development environment for M68K.
MinGW GCC cross development environment for Power PC.
Open Watcom C/C++ compilers and tools Fork
Oberon family of languages to C translator for ARM, x64 and x86 archit
Mariko's GCC for the x68000
ATasm is a 6502 command-line cross-assembler.
Cross compiling environment to DJGPP v2
Ada cross compiler and libraries for AVR µCs
A kit for cross-platform & embedded development in modular languages.
Moved to https://github.com/davidgiven/ack
GCC-based bleeding-edge-toolchain for bare-metal ARM microcontrollers
Translates Python to C#