Surge is a free and open-source multi-platform hybrid digital synthesizer. Thanks to the generosity of Kurasu (owner of Vember Audio), Surge has been open sourced and lives on GitHub.

Software type
JACK
LV2 plugin
VST2 plugin
VST3 plugin
AU plugin
Platform
GNU/Linux
BSD
macOS
Windows
Software features
Audio FX
Filter
EQ
Stereo FX
Reverb
Sample loading
Synthesis
LFO
FM
Wavetable
MIDI
Transport/tempo sync
Software language
C++
License
GPL-3
Developer(s)
Surge Synth team

Recent releases Release Date
Surge 1.8.1 27 Jan '21
Surge 1.7.0 28 Jul '20
Surge 1.6.5 4 Feb '20
Surge 1.6.4.1 30 Nov '19
Surge 1.6.0b3 26 Sep '18
Surge 1.6.0b2 25 Sep '18
Surge 1.6.0b1 24 Sep '18