Bukkit

Common code for mmoMinecraft

zPermissions

This plugin is an events plugin, it is more created for lobbies but you can use it for the things you want

An inventory framework for managing GUIs

Easy prefixes and suffixes for in-game chat using permissions (Simple Prefix)

Function+

The Bukkit implementation of the Flint minigame engine

Fix your tekkit server's problems.

WhatIsIt

Convert worlds into instanced dungeons.

Create virtual players for easy debugging of plugins through the console

A bukkit plugin for adding neural networks into minecraft.

Individual Signs Plus

A fast cross-version particle API for Spigot and Bukkit server.

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

CompatNoCheatPlus

This does nothing on it's own and is a requirement for some of Tux2's plugins.

Makes creating a Prison server even easier!

Add seasons to Minecraft !

GWMCrates