Bukkit

Multi-announcer with permission to view and permission to subscribe

BlockName Plugin

Survival 101 is a War plugin. Multiple gamemodes.

Provide a clickable command interface/gui for players!

The Hidden

Replace Bukkit's custom event messages with your own

Canary is an anti-griefing and warning plugin. If it thinks that someone is breaking a house it will alert an admin.

Keep player scores on multiple fields and send them to your website

bukkitAdmin

Notes

Filters out your server logs and separates your server.log into multiple folders

A plugin that has multiple broadcasts.

Set a TimeLimit, your Doors could be opened!

Lets players check the accuracy of other players!

ServerDonationInfo

GetSite

Shows nearby entities.

Use the boss bar for common messages!

SimplyConomy

Want a player to rate your server! THIS PLUGIN IS FOR YOU