- GCC toolchain (both native and cross-compilation, since version 2.7.1)
- GNU make
- GNU auto-tools
- Microsoft Visual Studio (version 1.51 to 2003)
- XCode
- Metrowerks Codewarrior
- IAR Systems ICC
- Texas Instrument's Code Composer Studio
- SAS/C
- Storm C
- BSO Tasking C compiler for i196.