Bukkit

Probending

Alchemist

Makes time for players above height 200 midnight so it looks like they are in space.

SpyHead

MidiRadio plays note sounds to players to imitate midi sounds.

BetterCrafting

Looking challenges for your server? Try Vanilla Challenges!

Vote shop for Votifier plugin.

Allows users to mine, set and use spawners however they like. Has support for admin configuration.

Cobblestone Generators will create ores as well as cobblestone

A standalone for just the piston-related features of MorePhysics

DisabledPotions

FullChest

Slaparoo minigame

Plugin for managing server events.

Torch Of Notch

Modifies the sleeping system of Minecraft

Adds a rune that makes your structure unbreakable while fueled by glowstone dust.

AdvancedBombs allows you to create custom bombs, mines, timebombs and triggerbombs

Private chat channels for friends