Bukkit

Do drugs in Minecraft! Add some wild potion effects and particles to any item in game...

PotionPusher lets you take any potion and change it's effects.

Being spammed with chunk errors? Try out this plugin on the chunk you are having an issue with!

BindManager is the plugin to make binds in multiplayer. Bind your favourite commands to any slot you wish!

BouncyBlocks... the plugin that can make any block be bouncy! Change, and choose blocks to be bouncy. Most importantly have fun!

Your all-in-one griefing plugin! Launch nukes, airstrikes, flamethrowers and much more!

Allows more mobs to spawn naturally

Allows Redstone Torch's To Fire Missiles!

Jail++ is a fully-featured Jail plugin for Bukkit, and it's the official successor of Jail, JailLikeHell, and SimpleJail.

Want more treez? Then this is the plugin for you!

Allows users to be paid/fined for changing rank in PEX!

Spyer 2

Sewers

I relatively helpful plugin. Package of Commands.

PistonsPlus

chatterbox lets you use a Minecraft servers chat on a website.