Bukkit

Protect your land from other players by burning useless items

RPG xLevel

MineEconomy - Add an advanced economy to your server!

Create Unlimited Commands & Block Commands, Anti Tabcomplete, Hide Plugins

A plugin that creates a MC 1.8 world border on your server!

Allows people to join full servers if they have permissions

LDQuest

Blackjack allows you to play blackjack in Minecraft without any commands!

The simplest and most powerful /setspawn and /spawn!

Craftable blocks that are immune to explosions and harder to break.

RoklBench - Portable Craftbench

CustomItems add a few new cool items to Minecraft.

A plugin that allows players to choose their own enchantments whilst remaining in a vanilla environment.

Item banking made easy.

A Basic night vision plugin!

New Blocks and Recipes via Resourcepacks like Conquest

Creates a Admin GUI

eKits

NextLogin is a multi-language authentication plugin for servers.

This plugin allows a player to send his coordinates to another player more easily.