ultravnc-sc
There are 2 repositories under ultravnc-sc topic.
ultravnc/UltraVNC
UltraVNC Server, UltraVNC Viewer and UltraVNC SC | Official repository: https://github.com/ultravnc/UltraVNC
ultravnc/SC
It is now integrated in main UltraVNC sourcecode: https://github.com/ultravnc/UltraVNC