Bukkit

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

Create modern looking holograms.

Dynamic web-based maps of your Bukkit/Spigot server

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

An intuitive and powerful plugin to create graphical user interfaces.

The best chest&sign shop system for Bukkit

ServerSigns - Bind player and server commands to signs

Make your own, customized Minecraft commands

CoreProtect

**Not Maintained** Display an RPG-style health bar above mobs and players.

BukkitGUI - the most downloaded GUI for bukkit and any other server

Tablist

Get custom items on join.

**Not Maintained** Display colors and text on name tags above the head.

Change the colour of the server chat!

Use the player list tab!

Play Custom sounds when a player joins/leaves/talks/dies or respawns

A plugin to warn your players when your server will restart!

Whose pet is this? Manage pets and display information via holograms, action bar or chat messages!

Schedule configurable server wide broadcasts easily