Bukkit

Gives rewards for advancements

WorldGuard Region Effects lets you give WorldGuard regions effects.

Force players to use skins

CraftMagic allows you to craft enchanted tools and armour.

An at-distance click based multi-tool that allows opps to create various events at a distance

The complete collection of Multitallented's Heroes Skills

MagicTorches

Allows you to use "Altars" to gain up to 5 more enchantment levels for items than vanilla Minecraft enchanting will allow.

build your own custom portals that links together!

Drop-Event

This plugin lets you accidentally spawn items after killing mobs you choose in the config!

Do you have boring blocks? Well not any more with Particle Blocks. Add particles to your blocks Now!

Modifies all traits of horses!

NETFire - Light netherrack on fire!

This plugin allows users to create buildings out of administrator-provided W/E Schematics.

Whenever the command /cb is run from a command block, it will run a command as a dummy player at the command block

Dropped Heads from all Mobs and Players!

Secret buildings with rare loot underground, underwater, and in the End

Allows chunk claiming using special terrain blocks.

Cutting trees is now so simple!