Syne is a fully modular additive synthesizer with a beautiful analog sound and extreme flexibility with microtuning and MPE support.
It is available for Windows (standalone, VST2, VST3) and macOS (standalone, VST2, VST3, AU, for Intel and Apple Silicon).

Download demo version

Windows: download installer (standalone, VST2, VST3)
(system requirements: Windows Vista/7/8/10 (32-bit or 64-bit), processor with at least SSE3 support)
macOS: download installer (standalone, VST2, VST3, AU)
(system requirements: macOS 10.11 – 12.1, Apple Silicon or Intel processor with at least SSE3 support)

No internet required to run the demo or full versions.