No.286
The games which run on Spring are essentially just modular asset packs, Spring handles everything on the software side.
https://springrts.com/wiki/GamesAlthough not many there is a decent selection. Most are based on Total Annihilation so the gameplay is similar, just different units.
No.287
This is a good game and has good multilayer support if you can get it to work. Bit of a hassle getting the right game versions and stuff, but it's fun.