Bukkit

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

Create modern looking holograms.

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

Dynamic web-based maps of your Bukkit/Spigot server

Intuitive and powerful plugin to create graphical user interfaces.

ServerSigns - Bind player and server commands to signs

Add custom NBT tags or modify tags of Items/Entities/Tiles without NMS!

CoreProtect

The best chest&sign shop system for Bukkit

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

Get custom items on join.

Hub - Plugin

Change the colour of the server chat!

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

Make your own, customized Minecraft commands

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

CraftBook adds a number of original gameplay elements to Minecraft from integrated circuits to gates

Tablist

DiscordSRV

Manage pets and display useful information via holograms, action bar or chat messages!