Bukkit

Transfer enchantments from tools and armor into books.

Players in creative can 1-hit-kill mobs when crouching

Burn your ores with fire! Real fire!

PearlXP

Lock your doors, chests and more !

The most advanced plugin for nighttime illumination with automated lights and lamps (former WurmStreetlights)

Several tweaks and configuration options to enhance survival multiplayer

PlayerBar

Adds more weapons to the game!

Gold Nuggets for money

Add a new dimension in your server by adding an item that will prevent your items from dropping on death

Level up weapons, items, armor, and more!

SuperTrails

Continuation of AntiCreeper from scratch. Nerf explosions. Easy to configure. Extra features.

Teleports players to random locations within set bounds

Put blocks on your head!

Simplified Minecart functionality for Bukkit servers.

More hats, more dynamics!

Tree Feller

Keeps track of various things such as time alive, time played, time online, and more!