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

CoderTim aa6b5324eb Set up IntelliJ IDEA		2014-05-20 00:39:50 -04:00
Maps	Enabled DoubleGem weekend.	2014-03-14 02:19:52 -07:00
Plugins	Set up IntelliJ IDEA	2014-05-20 00:39:50 -04:00
TexturePack	Initial Commit	2013-08-27 08:14:08 -07:00
Webserver/ServerHandler	Initial Commit	2013-08-27 08:14:08 -07:00
Website	Upgraded to latest spigot.	2014-04-25 00:44:14 -07:00
.gitignore	Set up IntelliJ IDEA	2014-05-20 00:39:50 -04:00
UNDANGLE THEM BLOBS.bat	Xmas Game	2013-12-21 10:17:22 +11:00
putty.reg	depr deprerer	2013-11-06 01:04:17 -08:00