Bukkit

Vault is a Economy/Permission plugin for hooking into the various Economy and Permission plugins.

CS-CoreLib

[UNMAINTAINED] Create modern looking holograms.

Fully customize any mobs (and create custom mobs) with a powerful scripting skill system, attributes, equipment, special AI, and much more, along with custom spawners and spawning rules. The ultimate plugin for making RPG servers and minigames.

FastAsyncWorldEdit

Expand the capabilities of Skript with skRayFall

CoreProtect

An API for all of Zombie_Striker's plugins

Library for intercepting sent and receieved Minecraft packets.

Create user friendly menus to travel to worlds

MOVED TO: https://github.com/TheBusyBiscuit/Slimefun4#slimefun-4

A visual and dynamic skill tree API for the easy setup of unique class systems

Now with custom enchant table/anvil mechanics! Manipulate item names, lore, enchantments, and more!

Plugin Manager For Bukkit

Creates images and pixel-art using in-game blocks

Automatically have player ranks change depending on how long they have been online.

A collection of many useful developer tools for promoting compatibility and ease of development

This plugin adds the Kotlin libraries to the server, making plugins written in Kotlin usable by the server

Disguise as a mob or as another player

A simple homes plugin with the ability to create, delete, and teleport to many different homes.