development/languages
- atalan - High level programming language for the 6502 microprocessors
- cc65 - Cross-compiler/Cross-assembler for 6502 systems
- dasm - Cross-assembler for the 6502-class family
- m68k-atari-mint-gcc - MiNT cross-compiler (GCC) for C.
- neso - Standalone Client/Server for the Tryton Application Platform
- pasmo - Multiplatform Z80 cross-assembler
- pywebdav - WebDAV library
- regina-rexx - Regina Rexx Interpreter