Bukkit

An All-In-One Basic World Protection

100% secure chest based banking system using virtual chest inventories!

Punish players with a ban and kick command!

Apply gravity to blocks when placed.

Ever wanted Hashtags(#) and At Signs(@) in chat? Both metered to see how many times that particular sign has been used!

High performance sign-based lock plugin, highly customizable, UUID support.

Supports clients modded with VillageMarkerMod

Player vs. Monster/Enemy Rewards

This plugin allows you announce/send Titlebar or Subtitlebar as message or on join/firstjoin (also ANIMATED TITLEBAR)

Execute multiple commands that are written in a book

Automatic inventory management for all your players! Defeat the tedium of manual organization! AutomaticInventory

Repair items with the workbench and keep enchantments.

Adds flags to griefprevention

Makes biomes more realistic.

A fair global banning system

Flow

BlockParty - new Minecraft Minigame

NBTEditor allows easy customization of entities and spawners. It also provides tools to manage other NBT related objects.

black-/or whitelist blocks in WorldGuard regions

Hubbynator