Bukkit

Twitter...in Minecraft!

ThrowThings

Use water splash potions to extinguish fire!

Adds many entity related things, like movement.

Poke players with giant smilies !

Set info about yourself and learn about about other players!

When you kill a player you get their hearts

ForgottenNews

Troll your server to the max :-P

TweetMinecraft

RudeSurprise spawns with a small chance Silverfishes if Player break Ores

RandomTeleport V1.0.3

VaroPlugin

Tr0ll fake OP plugin!

LotteryTicket

Give rewards to your players for mining!

McSmash

Makes arrows and snowballs and egs goo boom!

JumboChests allows server administrators to control how many slots a player can have in their enderchest.

OkapiCommands