Here you'll find several Open Source Software ported/compiled for AmigaOS (and compatible systems). This project was created with the aim to give support to the ppl who don't have the time/compiler to do it for itself since most stuff compiles OOTB
Collection manager for tagged music files and Last.fm client for Amiga OS4
FractalUniverse (short FU) is a powerful fractal generator for AMIGA-computers. It comes with 50 builtin formulas and over 100 custom formula scripts. It does on-the-fly dithering and can do animations via AREXX.
Scout is a tool that allows you to monitor your computer system. It displays many different things -- like tasks, ports, assigns, expansion boards, resident commands, interrupts, etc. -- and you can perform some certain actions on them.
SoundFX is an editor for digitized audiodata. SFX is designed in a modular fashion and has a comfortable graphical user interface. With SFX you can apply effects to samples, play back and record samples, and finaly can cut, trim and edit your samples.
YAM - The E-mail client for Amiga computers
YAM (short for Yet Another Mailer) is a commonly used MIME-compliant Internet mailer written for AmigaOS computers. It supports POP3, SMTP, TLSv1/SSLv3, multiple users, PGP, hierarchical folders, filters, a configurable GUI, an ARexx interface and more...