Bukkit

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

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

PermissionsEx

WorldGuard

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

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

Plugin Manager For Bukkit

The Bukkit World Management Plugin.

NPCs for Bukkit

A plugin to create holograms in Minecraft.

Mine spawners with silk touch

The most used authentication plugin for Spigot and CraftBukkit!

Chest Commands GUI

show the kills an death with the Scoreboard

Set up custom villager shopkeepers

Colored Tags

Library for intercepting sent and receieved Minecraft packets.

Guilds, war, land claiming, and user-controlled antigrief

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

BarAPI