| Name | Purpose | Where to get |
| gpsim | PIC simulator | http://www.dattalo.com/gnupic/gpsim.html |
| gputils | GNU PIC utilities | http://sourceforge.net/projects/gputils |
| flP5 | PIC programmer | http://freshmeat.net/projects/flp5/ |
| indent | Formats C source - Master of the white spaces | http://directory.fsf.org/GNU/indent.html |
| srecord | Object file conversion, checksumming, ... | http://sourceforge.net/projects/srecord |
| objdump | Object file conversion, ... | Part of binutils (should be there anyway) |
| doxygen | Source code documentation system | http://www.doxygen.org |
| kdevelop | IDE (has anyone tried integrating SDCC & sdcdb? Unix only) | http://www.kdevelop.org |
| splint | Statically checks c sources (see 3.2.8) | http://www.splint.org |
| ddd | Debugger, serves nicely as GUI to sdcdb (Unix only) | http://www.gnu.org/software/ddd/ |