The source code from mineplex 2018 leak with commit history dating back to 2014, it requires a lengthy setup to get functional but is a reasonably easy compile if you know what your doing just have to repatch the spigot

Chiss 27fb3b4262 Snake changes ... SSM Wolf fixes		2013-10-12 16:59:23 +11:00
Maps	Bob wants to play!	2013-08-29 15:55:49 +10:00
Plugins	Snake changes	2013-10-12 16:59:23 +11:00
TestApps/LOCTester	Initial Commit	2013-08-27 08:14:08 -07:00
TexturePack	Initial Commit	2013-08-27 08:14:08 -07:00
Webserver/ServerHandler	Initial Commit	2013-08-27 08:14:08 -07:00
Website	Added null check logging to arcade custom kit name.	2013-10-10 09:01:48 -07:00