its still in development, written in V
about dependecies read here
you also need vlang
to build client (server not yet ready) you need run that (for linux):
cd client
make build # (production) make sure if you installed depends for raylib, and v
make devbuild # (development) same as ^^
make devrun # (development) simply v . && ./client, read about depends ^^^
its MIT (maybe soon will be relicensed in ISC), read more in LICENSE file