Bukkit

A plugin to add a second layer protection for your player nicks

daCreative will disable creative and teleport them to spawn on login. Keep them from falling to their death.

ClearChatPlus

mcMMOIRC is a Bukkit plugin to integrate the mcMMO chat system with CraftIRC.

Replace messages that contain bad words with a custom message.

MobSpawners

Advertisements will help clean your chat of advertisements and will put it into a nice, clean list for those that want it.

See the online staff on a scoreboard

Patroller

System

EssentialVanilla

SimpleIp

Spawn Commands

Prevents players from taking fall damage while riding a minecart.

Set A Message For Configured Interval

Ein extra Chat, indem Spieler nur alle x Minuten reinschreiben können. Ideal für Handel! | An extra chat, by players can only re-write every x minutes. Ideal for Handel!

Block² (formerly Blockblock) disables breaking, placing, dropping, and killing in specific worlds for specific groups/players.

StartTexter

Save and load your Position!

Inactive players will no longer be able to hoard valuable items!