OS X

Teaches fundamental music theory skills in a fun, game-like format.

Virtal analog bass synthesizer. [VST]

Lyric and ideas generator for songwriters, writers, poets and wordsmiths.

Reverb processor. [VST/AU]

Bitcrusher with low and high-shelf EQ and a noise cross modulator included. [VST/AU]

Native Giga player designed to play the large orchestral sound libraries and supports disk streaming, dimensions, keyswitches and layered instruments. [VST/AU/RTAS]

Listening, mixing, and mastering tool. [VST/AU/RTAS]

Graphical interface where users can draw and edit trajectories to control granular sound synthesis modules.

Model based drum and percussion synth for Mac OS X. [AU] Get reviews of Electronic Drum Kits here.

Multi-track recording software with support for realtime effects. [Hosts AU/VST Plugins]

Entry level audio editing, processing, and CD burning.

Bridges the gap between notation and audio applications, allowing you to not only create and listen, but to perform live or produce music with stunning results.

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]

Fully programmable virtual analog synthesizer filter with resonance, envelope follower and an integrated post-filter digital delay [AU]

V-Metal is a virtual guitar plug-in designed for creating Metal guitar tracks, based on the sound of an ESP Alexi Blacky with EMG Humbucker Pickup. [VST/AU/RTAS/Standalone]