Speex is an Open Source/Free Software patent-free audio compression format designed for speech. The Speex Project aims to lower the barrier of entry for voice applications by providing a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other codecs.
The Tango TRX app lets you customize your listening experience with an EQ, presets, and wireless control from your iOS device.
Particularity is an open source program for generating sounds and visuals.
Virtual music composer.
An authentic virtual piano keyboard simulation.
Resolume Avenue balances quick access performance needs with depth of control
Vox Machina is a speech synthesizer application for Mac OS X.
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