Evolution RTS is a free an Open Source RTS game designed using the Spring Engine. · By Scary le Poo
Oh wait... wut? This was an actual topic? I thought it was a reply to another topic...
Currently the best way is to go download skylobby independently and download the sources package via itch. Then in skylobby import sources pointing at the itch folder.
This is superseeded as there is a skylobby package for linux. You need openal1 and sdl2