Bukkit

SpawnTimer teleports a player to the spawn point after being a time offline

with GUI

Adds a bunch of new tools and fun stuff to Minecraft

Displays biome specific textures of blocks (requires CTM via resource pack, via optifine) via navigable GUI

tBlockedCommands (tbc) is a simple command that blocks commands to avoid people from using them!

Gives you an easy way to link your link your website

BukkitCLI provides a simple way for plugins to execute commands on the command line and can be used as API.

DeathBind - Bind your favourite items, avoid losing them on death!

Can You Handle The Power Of The Cake?

The ability to set a certain block to change when you break a block.

Adds a customizable way to craft vehicles for the Vehicles Spigot plugin

MCJCooker - Yet Another /Cook Plugin -_-

A plugin that contains several chat-related features.

EasyPrank

Item-for-item Buy Sign / Item Exchange Signs

Colourise Minecraft!

Portions

A plugin with random commands of no consequence...

CommandShops allows you to buy commands! Simple as that!

Set a respawn location for any WorldGuard region