Audiobus: Use your music apps together.
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MOZAIC - Create your own AU MIDI plugins - OUT NOW!
Mozaic - the workshop-in-a-plugin for creating your own MIDI plugins.
Have you ever wanted to make your own MIDI plugin, or had a great idea for something to make your music setup better? But you were put off by the thought of learning how to (and the prospect of wrestling with Apple's less-than-stellar documentation)?
Mozaic may be just the thing you've been waiting for!
Mozaic is a toolkit with easy to use LFOs, controller layouts, musical scales, random generators, MIDI I/O, AUv3 features, access to tilt sensors and lots more. Built around Mozaic script: a language designed from the ground up to be the easiest-to-learn and easiest-to-read MIDI script on iOS: A language made by creatives; for creatives.
Pluginception: make a plugin inside a plugin! The scripting environment runs right inside your favorite AU MIDI hosts, so you can test and immediately see/hear the results.
The script editor comes with code-completion, syntax hints and other tools to make scripting incredibly easy!
Be sure to check out the Programming Manual on Ruismaker.com. It is both a beginner-friendly entry to using Mozaic Script and an in-depth reference on everything you can do with it!