Mikmod is a module player and library supporting many formats, including mod, s3m, it, and xm. Originally a player for MS-DOS, MikMod has been ported to other platforms, such as Unix, Macintosh, BeOS, and Java(!!)
libTiMidity is a MIDI to WAVE converter library that uses Gravis Ultrasound-compatible patch files to generate digital audio data from General MIDI files. This library based on the TiMidity decoder from SDL_sound library.
ZuneFIG is the Zunified version of old xfig conversion to amiga
ZuneFIG is the revival of AmiFIG vector drawing program for AROS.
Previous version (AmiFIG) has been compiled for AmigaOS4 and is available on OS4depot. A very outdated build of AmiFIG for MorphOS can be found on aminet.
Cross-platform reimplementation of AMOS BASIC (runtime)
XAMOS is a cross-platform reimplementation of AMOS BASIC based on jAMOS, fully re-written in C++ with SDL libraries.
Currently runtime only, however is widely compatible with jAMOS projects.