overtone

plexus 2016-08-13T13:20:20.000009Z

not sure if there's any polished synth libraries... you can browse the stuff from Overtone bands like Meta-ex and REPL Electric

plexus 2016-08-13T13:20:22.000010Z

https://github.com/repl-electric/cassiopeia

plexus 2016-08-13T13:22:05.000013Z

https://github.com/meta-ex/ignite