Bukkit

BlocksDrop

Sync - Providing all your data storage needs and more!

Javascript on Bukkit. What's not to like?

PrivateChat - Chat privately with your mods!

Change your gamemode easily.

Control how many people have to sleep before it's day again

Hellsedit allows you to easy edit signs you are looking at.

Very cute portal plugin for your Spigot and BungeeCord servers!

Lock your commands and make your server more secure!

A plugin allowing mobs to spawn with customizable potion effects

NoTNT-AntiTNT

SurvivalGames Enhanced!

A plugin that adds useful commands such as /heal and more!!!

Be able to throw blocks!

DuelAnnounce

The Ghast apocalyps is upon us.

Adds the command /ip and /bcip more information in description.

Lets players share their experience points with others! + Admin commands

ShortCutPlugin

Transport-Pipes as plugin (like Buildcraft)