Bukkit

WorldGuard

Mine spawners with silk touch

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

Player and Mob Heads Full-featured plugin

Keep your inventory in a chest when you die !

Expand the capabilities of Skript with skRayFall

A plugin to warn your players when your server will restart!

Inexpensively protects your ores from cheaters.

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

Lop off Player and all Mob Heads with configurable drop rates + pvp-farming nerf, includes detailed commands and permissions

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

Orebfuscator - Anti Xray

Continuation of the popular AntiCheat anti-cheating plugin.

The free anti-cheat solution since 2016

JoinMessagePlus allows you to change or turn off the join and quit messages of Minecraft.

CombatLog punishes players who log out to escape combat.

Override /server

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

Simple Sit

WildSkript