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.

A plugin to create holograms in Minecraft.

Mine spawners with silk touch

The most used authentication plugin for Spigot and CraftBukkit!

Chest Commands GUI

The premier long-range map editing tool for Minecraft SMP.

The best chest&sign shop system for Bukkit

ServerSigns - Bind player and server commands to signs [1337]

Colored Tags

EssentialsX

Detect and fight the exploitation of various flaws/bugs in Minecraft!

SetSpawn

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