Bukkit

Chat anonymously when your chat messages start with "!" (ex. "?: Hello, world.").

Give one level a kill!

MiscellaneousCrafting

Use classes where players get long time perks and abilities! Also per-combat move levels!

SimpleFlip

Allows you to create infinite dispensers, dropppers, hoppers and more in bukkit.

Click the foot for a buff potion effect!

Allows you to melt wool to get their dye!

Combined Chestplates and Elytras

Make potions with more than one effect and get potions you normally can't make (like nausea or hunger)

Brings Drugs Legally Into Minecraft 1.7.2

Creative Server

Server Announcer

Rainbow armor!

Add and remove players to your whitelist, and choose to remove them at Death or when the server closes!

Leave all your minigames with one single command!

Uh oh, you ate your bowl with your stew!

Climb hanging vines with the spacebar, and have the ability to jump from vine to vine!

Displays all potion effects on a sidebar display

A simple parkour check point plugin. You use 3 swords to set check points and teleport to them