Bukkit

WorldGuard

Mine spawners with silk touch

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

Bssentials GroupManager

Expand the capabilities of Skript with skRayFall

#1 Scoreboards plugin!

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

Fake slots number and slot limitations bypassing!

WildSkript

CombatLog aims to punish players who log out to escape combat.

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

Hide and Custom your Plugins and other Commands!

PerWorldPlugins allows plugins to be set to hook onto certain worlds using the config.

Orebfuscator - Anti Xray

Continuation of the popular AntiCheat anti-cheating plugin.

Lightweight Essentials! usefull commands and features for Minecraft! [Lightweight Essentials]

Inexpensively protects your ores from cheaters.

Player Heads

Teleporting Made Easy

CompatNoCheatPlus