Bukkit

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

WorldGuard

A new perfect way to clear common lagg in your server!

The Bukkit World Management Plugin.

Create modern looking holograms.

Mine spawners with silk touch

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

The essential plugin for Spigot servers.

Grief Prevention

Open anyone's inventory as a chest in real time!

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

The most used authentication plugin for Spigot and CraftBukkit!

Dynamic web-based maps of your Bukkit/Spigot server

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

ServerSigns - Bind player and server commands to signs

Intuitive and powerful plugin to create graphical user interfaces.

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

Plugin Manager For Bukkit

Multiverse Inventories allows you to control who and what can cross world borders!

Allows server admins to easily modify how Minecraft works without programming anything