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 f0b0c72ddb Fixed arcade packethandler problem. ... Fixed skill page issue for class combat.		2013-09-01 22:06:20 -07:00
Maps	Bob wants to play!	2013-08-29 15:55:49 +10:00
Plugins	Fixed arcade packethandler problem.	2013-09-01 22:06:20 -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	Added LobbyBalancer for BungeeCord	2013-08-30 01:36:55 -07:00