Bukkit

A simple fullbright server plugin :D

Permission Skills adds more than 60 skills to your server that can be allocated to players and groups through permissions.

Op Verify

Restart your server automatically with AutoRestart

SideKickEconomy

Prevent excessive use of caps in chat!

Displays real-time tweets in Minecraft chat.

Write plugins in JRuby

Setup a repair stations

Rewards bag | plugin & API

A tameable animal management plugin

MinecraftPacket based Animations

AFKCoords

Have players protect via world guard for a price!

Cranked

DataManagerAPI

A simple plugin that allows players the /rules command, listing a rules board that you can customize.

Players now have to poop

Manage your books in minecraft.

Just hats, no toys or random features