The free/Open Source synth VST “Surge” has gotten a major update to V1.7.0 which brings lots of fixes and new features!
Download available for WIN/MAC/Linux:
https://surge-synthesizer.github.io/
Change log:
https://surge-synthesizer.github.io/changelog/
… and to V1.8.1 
Yeah, it’s now on V1.8.1 with a lot of changes made…
Here is the download page (WIN/MAC/Linux):
https://surge-synthesizer.github.io/
The change log:
https://surge-synthesizer.github.io/changelog/
And it’s got some new skins that make it look really, really cool!
https://surge-synthesizer.github.io/manual/#skins
