The development of version 1.0.0 is in progress right now! If you'd like to be a part of it, see the progress, or just hang out, join our Discord server! Say you came from GitHub if you decide to come ...

If you use Eclipse you can open the workspace found in \mcp9xx\eclipse. You will have to correct the library path for the vanilla jar and realms jar, and also add libraries for JRift, json, asm, and ...