Vember Audio Surge synth released as open source

Found this on kvr https://www.kvraudio.com/forum/viewtopic.php?f=1&t=511922
Precompiled for 64bit on Github https://github.com/kurasu/surge/releases
Read more about it at the Vember Audio site http://vemberaudio.se/surge.php which has a link to the user manual
 
The UI is a little small. Still worth a look.
 
Make sure the add a folder to the VST install path if you prefer to have each plug-in is a separate folder. It installs the dll and uninstall.exe in VST path the rest (about 45 MB of files) load into %appdata%\local\Surge.