Bukkit

The official InventorySee plugin by TehCoderHD!

Hit a sign, run a command!

SunflowerFields

ServerTools

Stop/Restart/Shut down at the same time every day

Administrate your server with ease!

A pretty easy-to-use in-game biome editor (requires WorldEdit to work)

Yet another utility command and teleportation mod.

A plugin used for staff members to chat in private

Don't let your players enter a world (forever or temporarly) if they die in it.

GetInventory

This is a plugin that blocks swear words. They are able to be changed in YML!

FishChecker

MoreMaterials is a customblock handler for SpoutPlugin

This Plugin is a very good LobbySystem

Keeping your chests, and everything in it completely safe

Complete Chat Censor

HTTPConsole - Issue Console Commands Over HTTP

multiplugin

MOTD plugin