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 91ce36d6e4 Hub refactor ... Hub parkour module		2013-09-18 19:46:45 +10:00
Maps	Bob wants to play!	2013-08-29 15:55:49 +10:00
Plugins	Hub refactor	2013-09-18 19:46:45 +10:00
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	Fixed server pages to show 5 servers.	2013-09-17 15:50:23 -07:00