Minecraft Essentials

USER[white names in game] and above:
/help - displays the help menu for commands in game (this actually works now)
/me [message] - displays a message as an emote
/spawn - Teleports you to spawn
/mail [read|clear|send] [to] [message] - read your in game mail, clear your inbox, send an in-game mail to a player
/motd - displays the logon message
/afk - sets you into afk mode
/kill - kill yourself
/msg || /tell || /m [player] [message] - sends a private message to another logged-on player
/rules - display the basic server rules
/ping - PONG!
/compass - displays your current bearing
/depth - in game altimeter
/getpos - display your exact position on the map
/realname - if you have been assigned a nickname, it will display your real logon name
/helpop - sends a query to all online ops (I wouldn't recommend using this, you'll get a faster response via any other medium)
--teleportation--
/tp [Player] - Teleports to player
/tptoggle - enables/disables other players from teleporting to you (can be overridden by admins)
/tpa - request a teleport to a player
/tpaccept - accept a pending teleport request
/tpdeny - deny a pending teleport request
/list || /who || /L - lists all connected players
--home commands--
/home - Teleports you home
/home set - Sets your home to your current position
/home delete - become homeless
/home [playername] - teleports you to said player's home (if you are invited)
/home list - show all homes you are allowed to go to
/home ilist - show all players invited to your home
/home invite [player] - invite [player] to your home
/home uninvite [player] - and STAY out!
/home public - invite everyone to your home
/home private - get some privacy
/home point - displays the direction to home (broken atm)
--block protection--
(works on: Chests, Dispensers, Furnaces, Doors, Signs)
This part can get really complicated, so I'll just leave this here.
However, the most common uses are:
/cprivate - make the next block you click private
/cpublic - make the next block you click public
/cpassword <password> - creates a passworded block
/cunlock <Password> - unlock a block with the correct password
--Economy--
(Keep in mind that names are case-sensitive for the economy commands)
/money - shows you how much money you currently have
/money rank (player) - Show the economic ranking of yourself (or other player)
/money top (amount) - who has the most minecash?
/money pay <player> <amount> - give money to another player
/gsworth || /gsprice - display the current selling price for gold

DEPUTY(3) and above:
/kick [player] <reason> - kick said player, with a reason if desired
/nick <target> [nickname] - set nickname for said player
/tphere <player name> - teleport said player to your location
/whois [player] - display detailed information about a player
/burn <player> <duration> - ignites the specified player for x seconds
/ext <player> - extinguish flames on said player
/kill <player> - slay the specified player
/togglejail || /tjail [player] [jailname] - sends or removes said player from the specified jail point

ADMIN(4) and above:
/clearinventory <player> - clears your inventory or the inventory of the specified player
/banip [Player] - Bans the player's IP
/unbanip [IP] - Unbans the IP
/ban [Player] <Reason> - Bans the player
/unban [Player] - Unbans the player
/time [Time|day|night] - Changes time
/plugin <list> [enable|disable|reload] <plugin name> - actions for plugin states
/essentials - reloads essentials configuration
/reloadall || /rel - reloads all plugins
/spawnmob [mobname] <amount> - works for hostile and peaceful creatures, also, creature names are case sensitive (e.g. Creeper)
/whitelist [operation (add or remove)/toggle] [player]
/tpo <player> - force teleport to player (ignores tp status)
/tpohere <player> - force player to tp to your location (ignores tp status)
/tppos <x> <y> <x> - teleport to a specific location
/broadcast <message> - broadcast a message to all online players
--Economy--
/money grant <player> <amount> - Give said player some minecash (use negative amount to take away funds)
/money set <player> <amount> - Forcefully sets a player's account balance to the specified value
/money hide <player> <true/false> - Toggle the visibility of an account
/money create <player> - Create a player's account
/money remove <player> - Delete a player's account
/money reset <player> - Resets a player's account
/money stats - shows a general overview of economic statistics
/gsreset || /gsclear - resets the worth of gold to it's base value (does nothing on our server, which has static pricing)
--griefer control--
(again, this part is a little complicated, so i'll link you to the command guide)
some basic examples:
/bb here <username> <range>- show recent activity within your current area, [range] can increase the default radius, you can also filter out only changes made by a particular player
/bb rollback <player> - undo all modifications said player has done to the envirionment

ROOT(5) commands:
(EVERY command is available to root/ops, I can't remember them all but here are some root only commands)
/item [ID] [Amount] <Player> - Gives items to you or others
/give [player] [item|item:damage value] <amount> - give a player an item
/setspawn - Sets the spawn point to your position.
/setjail [jailname] - creates a jail at your current location
/gc - display chunk, memory, and world info
/antioch - blow up that thing you're pointing at
/god - toggle god mode
/heal <player >- heal yourself or other player
/jump - teleport to your crosshair's location