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).

Unzip the archive and move
OctaSine 0.8.dll
to your VST2 plugin directory. The standard locations are:C:\Program Files\VSTPlugins
orC:\Program Files\Steinberg\VSTPlugins
orC:\Program Files\Common Files\VST2
orC:\Program Files\Common Files\Steinberg\VST2
CLAP
Unzip the archive and move
OctaSine 0.8.clap
to your CLAP plugin directory.License
Distributed under the AGPLv3 license.

Unzip the archive and move
OctaSine 0.8.vst
to your VST2 plugin directory. Typically, it is /Library/Audio/Plug-Ins/VST/
.Then, open your System Preferences, go to the GateKeeper section and choose "Allow applications downloaded from AppStore and identified developers". Open a terminal window by pressing Cmd + Space, entering "Terminal" and pressing enter. In the terminal window, enter
xattr -dr com.apple.quarantine /Library/Audio/Plug-Ins/VST/OctaSine 0.8.vst
and press enter. More info about why this is needed.CLAP
Unzip the archive and move
OctaSine 0.8.clap
to your CLAP plugin directory. Typically, it is /Library/Audio/Plug-Ins/CLAP/
.Then, open your System Preferences, go to the GateKeeper section and choose "Allow applications downloaded from AppStore and identified developers". Open a terminal window by pressing Cmd + Space, entering "Terminal" and pressing enter. In the terminal window, enter
xattr -dr com.apple.quarantine /Library/Audio/Plug-Ins/VST/OctaSine 0.8.clap
and press enter. More info about why this is needed.License
Distributed under the AGPLv3 license.