Release Date
WorldGuard
WorldEdit is an in-game map editor for both creative and survival
Dynamic web-based maps of your Bukkit/Spigot server
The Bukkit World Management Plugin.
ServerSigns - Bind player and server commands to signs
Open anyone's inventory as a chest in real time!
The best chest&sign shop system for Bukkit
MobArena
Multiverse Inventories allows you to control who and what can cross world borders!
Hide from your players! Invisibility for the distinguished gentleman.
CraftBook adds a number of original gameplay elements to Minecraft from integrated circuits to gates
Portals module for Multiverse-Core
Commandless, Multi World, Player Owned Shops (Vault)
Vault is a Economy/Permission plugin for hooking into the various Economy and Permission plugins.
NPCs for Bukkit
Detect and fight the exploitation of various flaws/bugs in Minecraft!
a feature-rich world size limiting plugin, which can also generate or trim a world to your border
Lockette v1.4 - Simple chest and door lock, no databases!
LogBlock
mcMMO