Bukkit

A plugin for Bukkit based Minecraft servers to add a new mechanic similar to the bloodmoon event in Terraria

Makes combat work like before 1.9, with no weapon cooldown etc.

Catch mobs and get Spawn Eggs legitimately!

Separate inventories for Creative and Survival game modes

This is a movement plugin like no other.

Ultimate Core is all you need to setup a server and more.

Lucky Block Plugin

Adds magical runes to the game for Teleportation, Construction, and Combat

CraftBook adds a number of original gameplay elements to Minecraft from integrated circuits to gates

Brew alcoholic potions, get drunk and have fun!

Backpacks, mobile furnaces, etc... as items! No client-side mods required.

An mcMMO themed plugin for horse role-playing.

Powerful mob and entity management

PrisonUtils

[Lite Version, Economy, Item Storage, Exp Storage, Highly Configurable]

Hide from your players! Invisibility for the distinguished gentleman.

Disguise as any mob in minecraft!

An extensive questing system

aims to improve the bow vs. bow combat experience while staying true to Minecraft's vanilla mechanics as much as possible

A fully customizable and open-source DayZ/MineZ post-apocalyptic Minecraft plugin.