Bukkit

Deny the spawning of mobs by Spawn Eggs (And Snow Golems!)

ChunkVisualizer - Easily allows you to view chunk borders.

Lightweight and solid chat bubbles plugin, no dependencies needed.

Anti Spam/Flood tool, Protects against bot DDOS attacks.

Blocks both console and player commands via a config.

ZeldaGrass+

Easily add a few extra events to your plugins!

GriefPrevention-Anti-Worldedit

AntiFallDamage [Reloaded]

ValidServ

The perfect Bukkit plugin for any server that has those pesky players whom refuse to sleep at night!

A simple, lightweight plugin for reducing mob lag.

Stops autofarming (Confirurable)

DSwear is better than BSwear! [Proof In Overview]

Craft Chainmail Armour, Horse Armour, Saddles, Name Tags and more with this simple, lightweight plugin

LegendaryGodMode

Store experience points inside of bookshelves!

A simple, light-weight plugin to negate damage. When holding shift there's a chance you roll and take no damage

Add-On for Essentials!

Creative Item frame Control