Bookshelf:
Bookshelves can be used to store books like chests.
Bukkit
ChestShop:
Not yet in use this plugin will be enabled with iConomy to allow for trading goods
Bukkit
Core Protect:
CoreProtect is a fast, efficient, data logging and anti-griefing tool. Rollback and restore any amount of damage. Designed with large servers in mind, CoreProtect will record and manage data without impacting your server performance.
Bukkit
Dynmap:
A Google Maps-like map trinity that can be viewed in most web browsers.
Bukkit
Trinity Dynmap
Enhanced Pistons:
Allows you to move blocks with pistons you normally couldn't move (obsidian chests etc.)
Bukkit
Essentials:
A plugin that adds a LOT of player commands type "/help" in game chat for list of commands.
Bukkit
Grief Prevention:
Allows for claiming territory that other untrusted players cant build on.
Bukkit
iConomy:
Over the next few months me and my team will be continuing iConomy, one of the best economy plugins for Bukkit. This plugin will give your users great opportunities by allowing them to buy and sell, give each other money, and many more possibilities. Some plugins that support iConomy:
Bukkit
JOPHWarn:
If you're breaking a rule, this plugin will be used to warn you about it.
Bukkit
KonseptGate:
With the help of this plugin, stone presure plates near spawn will teleport you to Survival or PvP
Bukkit
Lift:
Allows you to create basic elevators using iron blocks, wood, signs and buttons.
Bukkit
MarriagePlus:
Allows you to get married! There are several benifits of getting married, such as improved health regeneration when near your other half.
Bukkit
MCMMO:
MAKE MINECRAFT A GRINDY MMO? ALL RIGHT!
Wiki
Bukkit
MobCatcher:
If you have redstone in your inventory, and you throw an egg at a mob it automaticly captures the mob in a mob egg!
Bukkit
Multiverse:
Allows for multiple world support! We use this plugin to run multiple worlds at the same time
Bukkit
Permissions Bukkit:
Allows for extra ranks outside OP and regular player
Bukkit
PreciousStones:
Grants special properties to diffrent blocks
Plugin Website
Bukkit
Punishmental:
Allows for a varitey of punishments to be carried out against rule breakers, some of them are fairly silly over all this plugin goes fairly unused
Bukkit
Spectate:
another way for OPs/Admins to watch what you're doing.
Bukkit
TreeAssist:
Helps cut down/clear trees. Use an axe on a tree to cut the whole thing down!
Bukkit
Vanish No Packet:
Allows Ops and Mods to keep an eye on players without them knowing
Bukkit
World Edit:
Not accessable by normal players allows ops to build/move things quickly
Bukkit