picoSYNTH
A playful tool to make short beats and loops
Waporware Modular
Modular synth toy
FuncSynth
Turn math into music
GreenWave - Synth Plugin
A Software Synthesizer For Your DAW
Chord Architect Pro v3
custom musical chord audio file generator
OneTrick SIMIAN
Crash into the 80s with an open source drum synth inspired by hexagonal classics. Available as VST3/AU/CLAP.
Borg ER-0
Draw oscillators and envelopes.
Borg ER-3
Tone generator inspired by the Korg ER-1
Synulator
Real-time granular synthesizer with GPU audio processing