Bukkit

SideKick

This plugin allow full control of normal world generator

Catacombs

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

RaspberryJuice

MineResetLite

Extend Minecraft using Javascript

CreativeStick will allow you to build, replace, or remove blocks at a distance by simply shaking a stick at them.

iSafe

Convert worlds into instanced dungeons.

Respawns shulkers when Endermen try to spawn in End Cities

A modern all-in-one ecosystem for prison servers.

The Sun is going to kill us all!

Yet Another Minecraft Image Placing Addon

Manage flying and related commands on a per world basis!

A plugin similar to Factions, but with several unique twists!

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

for use with InfinitePlots and WorldGuard, creates regions automatically for new players

Who wants long wires? Go wireless!

Builds a player statue out of blocks based on username! ALL skin formats supported.