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
* commit '3a945f190dca9f558cbcb6052b3eaa2816d112b3': (308 commits)
Commons codec is not included in BungeeCord.
Pooling with later jedis versions doesn't work on Bungee.
Gitignore redundant Eclipse files.
Add Eclipse magic.
Speed up LobbyBalancer to 500ms
Add example maven settings.xml
Remove setTestOnBorrow
Tone down lobby balancer too.
Emergency patch to slow down redis player count updates.
Fixed explosions dropping right items.
sapling fix
Update fixes - @Teddy!
Made block define its own drops.
Removed an nunnecesarry method
Fixed items not dropping their regular counterpart.
Final changes
Prep for update
Update CB.jar
Prevent hearts changing colors in UHC tab.
Fixed ForTheKing achievement.
...