Bukkit

Allows harvesting of Stairs, Bookshelves, Spiderwebs. Configurable to user's taste.

You're nextlevel superpower. Adds useful, Essential Commands and functions to your Server. Acts as a foundation for any server.

Creates an asynchronous multiplayer experience for Minecraft.

NoHunger

A backpack plugin aimed at realism

DelayCommands let you delay your commands

Lets cave spiders spawn deep underground!

Simple sign disposal

Redstone addition and removal of blocks.

Bukkit plugin making ItemFrames better by letting users an item's information with a simple click.

Adds 2 new weapons

Logs jailed players and the info about their jails, and allows users to check these statuses

Spyer bundle for Bukkit, the invisibility tool for moderators and players.

Allows the user to set their own: custom /spawn command!

Coupons

MePlus

Craft spawn eggs with a workbench.

InfiniteBrewstand

Steam Chest for RPG style of auto collecting item drops, uses steam recipe to power the auto collector.

Change the probability of users dropping items on death.