Bukkit

Plugin that logs player/IP combos and allows for a nice developer API to easily retrieve that data

Bringing exams into minecraft!

PingReply

mcMMO Combat Level

Executes a command when you press a button

BorderVisualizer

Check for multi-accounting players via IP-Address or Player Name

Want to define your own help pages from files? Now you can!

BlockParty - new Minecraft Minigame

TopPVP allows you to keep track of your kills and deaths - PVP Plugin

Plugin for MCPanel, control your server when you're not home.

A plugin that gathers a list of permission nodes for each plugin installed on the server and outputs the nodes to 2 files.

Trigger messages on login, disconnect, timers, commands, death and more. Personalize those messages with tag replacements.

Newspaper is the plugin to use to get information around your server as quickly as possible.

Minetopia ATM plugin

Allows you to block commands for players/playergroups and spy what they try to write

FC_Bans

Colors! The mod that helps you remember color codes!

Eagle Eye

ECBroadcaster