Bukkit

BananaRegion

Universal

WeatherMan

You'll never have to worry about getting bacon again...

Make regions that players can buy/sell

BlockLog

Catacombs

Use flint to edit armor stand attributes without commands

Reduce or remove all server lag, Use 2x less ram as before!

Admin a server and Humiliate griefers, in 80 hilarious ways! Scientifically proven more effective than banning!

spawns

Highly customizable land management for players.

A plugin that adds items that turn into structures when places

Respawns shulkers when Endermen try to spawn in End Cities

Manage flying and related commands on a per world basis!

A bukkit plugin to backup specified maps at regular intervals

Convert worlds into instanced dungeons.

Simple IP Banning!

Yet Another Minecraft Image Placing Addon

RemoteBukkit allows admins to, with the help of a plugin, remotely use the server's console.