Octasine a FREE Open Source Frequency Modulation Synthesizer

A free and open source frequency modulation synthesizer plugin (VST2, CLAP). Runs on macOS, Windows and Linux.

Features :

▷ Four FM operators

▷ Flexible routing

▷ Four LFOs

▷ ADSR envelopes

▷ Modulation panning

System Support

Runs on macOS, Windows 10/11 and Linux (X11) in VST2- and CLAP-compatible DAWs on 64-bit computers. Synthesis is SIMD-accelerated on x86_64 (SSE2, AVX).