Bukkit

Forces players to acknowledge the rules on your server.

Far reach plugin, allows you to place blocks and remove blocks from long distance!

The all in one super plugin, world editing, logging system, regions, ranks and so on..

Catch Those Lying Greifers!

Are you ever on a server and building with friends but hate the night? Well this plugin makes it always day!!

Server speed and interface improvements

Creates Simple Easy Paths

Loot Chest

A Plugin Allowing Users To Create A Protected Area, Dubbed a Village

Control the Mobs!

Text Blocks

MOCDreamCrafter

SaveBlock is a Bukkit server plugin that lets player save and load blocks to and from a web site.

starman's Mystery Dungeon

TotalEvents

Jevidia

SafePortal

PotionProtect

Cuboid(z)

Want Locks for blocks? Check this out!