Bukkit

WorldEdit is an in-game map editor for both creative and survival

Dynamic web-based maps of your Bukkit/Spigot server

[UNMAINTAINED] Create modern looking holograms.

CoreProtect

Make your own, customized Minecraft commands

Remove lag and improve the performance of your server significantly with this tool!

MobHunting provides a fun way to get money from hunting monsters

ServerSigns - Bind player and server commands to signs

Allows you to worldedit only in regions you own.

Hub - Plugin

Simple & Effective Staff Utility To Freeze Players! [Very Customizable] When player's give you lemons, freeze them & make Ice Lemon Tea!

[UNMAINTAINED] Intuitive and powerful plugin to create graphical user interfaces.

Get custom items on join.

The best chest&sign shop system for Bukkit

Change the colour of the server chat!

Add functioning stats to your items to allow players to increase their player stats.

Simple plugin to let you know the damage you just caused to a mob, and how much health it has left.

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

[UNMAINTAINED] Display an RPG-style health bar above mobs and players.

SimpleClans