Bukkit

New Blocks and Recipes via Resourcepacks like Conquest

PermissionsRanks

Character stat-modifiers. Level up and gain skill boosts.

Create Quizzes with commands or in config.yml. Win money and/or items per rank

Two teams battle each other with exploding arrows and fireballs

Spectate players in first-person while having their inventory, and more stats to match their view

Adds 5 custom classes to the game, each with their own abilities and effects

Custom join/leave messages per world.

ZebraC

PrisonControl allows administrators of Craftbukkit servers to manage their Prison Servers.

Gives players new attributes to encourage more playtime on your server!

HumanCapacity

Limited Life, you have 24 hours to live and dying loses you 1 hour while killing someone gives 30 minutes.

A plugin that allows you to establish nations and hold parliamentary activities.

FKZombieInvasion

A herobrine plugin to add him to the game

Snake Minigame

Cannibalism - Eat other players for food when you kill them!

With this plugin you can change the items of fishing and bring your server to a whole new level.

This plugin consists in preventing player from logging out of combat.