Nexus is a Rom synthesizer. [VST/AU/RTAS]

Software emulation of TR-303s and one TR-808.

Pack of 30 VST plug-ins.

Graphical guitar tuner.

Sampler. [VST/AU/RTAS/Standalone]

MIDI/KARAOKE/Multimedia Player.

Audacity is a Cross-platform full featured multi-track sound editor.

Mix music digitally with a clean, simple interface.

Control and mix your digital music collection with two realistic virtual, interactive, turntables. Can be used with a DJ Controller. [Hosts AU Plugins]

Record, arrange, edit, mix and render audio. [Hosts VST Plugins]

Guitar tabulature editing and playback software for MacOS and MacOSX

Piano One is virtual piano instrument based on the Yamaha C7 concert grand piano. [VST/AU]

Offers an instant controlling solution for your MIDI Hardware controllers to work with all your plug-ins.

Overture is a professional standard notation software that works for Mac OSX. [Hosts AU]

Virtual analog synth with some special features like oscillator hard-sync and frequency modulation. [VST/AU]

Modular synthesizer. It is flexible in terms of synthesis techniques - you can achieve additive, subtractive, FM/PM/AM and even hard-sync synthesis all pretty easily. [VST/AU]

Free version of SampleTank with 204 Sounds and more than 500 MB of samples [AU/VSTi/RTAS]

Multi-timbral virtual instrument that gives you unlimited parts, built in effects, functionality for live performance, and an intuitive real-time workflow. [VST/AU/RTAS]

Bundle of 15 free plug-ins - amps, delays, vocoder & more. [AU]

DJ & radio station mixing, automation, scheduling.

DJ/MP3 mixing program.

Streamlined audio editor.

Logic Pro is part of Logic Studio, a comprehensive software package that delivers everything a musician needs to write, record, edit, mix, and perform in the studio and on the stage. [Hosts AU Plugins & Effects]

Synthesizer designed specifically to create good kick drum sounds. [VST/AU]

Allows you to manage the song info stored in MP3 files, create playlists, and rename MP3s