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RapidComposer v3

RapidComposer is a unique, non-destructive, phrase-based music prototyping software designed for composers, song-writers and musicians of all musical styles (for Windows and macOS).

Be inspired every day, and forget about the writer's block!


Melodya is an advanced melody generator and motive editor plug-in. 
Available for Windows and macOS (VST, VST3, AU).


Syne is a fully modular additive synthesizer with a beautiful analog sound and extreme flexibility, capable of rendering 20000+ partials real-time.
Available for Windows and macOS (standalone, VST, VST3, AU).

Latest News

May 4, 2020: Melodya v1.0 is announced! Melodya is an inexpensive melody generator and motive editor plug-in for Window and macOS (VST/VST3/AU).
April 1, 2020: We are celebrating our 10th birthday! Many composers "secret weapon", RapidComposer was first released on this day 10 years ago. Get RapidComposer with 40% discount during the Anniversary Sale from April 1 to 15!
March 23, 2020: RapidComposer v3.84 released with modern rhythms generation for deep house and other modern genres
December 16, 2019: Syne v1.0 is announced! We are thrilled to announce our first virtual instrument, Syne, which is a modular additive synthesizer. Click here to learn about Syne.  

More news...

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