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

Jonathan Williams 6d5acd29db Merge branch 'master' of ssh://dev1.mineplex.com:7999/min/master ... Conflicts: Plugins/Libraries/craftbukkit.jar		2013-09-23 13:53:28 -07:00
Maps	Bob wants to play!	2013-08-29 15:55:49 +10:00
Plugins	Merge branch 'master' of ssh://dev1.mineplex.com:7999/min/master	2013-09-23 13:53:28 -07:00
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	Updated to 1.6.4	2013-09-20 01:50:56 -07:00