Bukkit

WorldGuard

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

Modern Minecraft death chest plugin for Bukkit, Spigot, and Paper servers.

The modern Essentials suite for Spigot and Paper.

This is a easy to use GUI shop plugin.

4700+ unique structures available to /paste into your server

Player and Mob Heads Full-featured plugin

If you've ever used the VeinMiner mod for minecraft Forge, it has now been recreated for Bukkit, CraftBukkit, and Spigot

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.

Morph into any mob!

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

A perfect plugin for upcoming server owners with customisable options and settings at the forefront.

Pre-generates chunks, quickly, efficiently, and safely

A collection of useful commands and features for server admins and players.

Unlock the power of efficient woodcutting.

ServerSigns - Bind player and server commands to signs

Allows you to worldedit only in regions you own.

Herobrine

Fully Custom GUI Menu Maker & Menu Builder Plugin. Design interactive GUIs with Inventories, Dialogs, or Floodgate, powered by animations and logic. Includes an Online GUI Editor for effortless menu creation.

Hub - Plugin