/worlds - Opens the World selection GUI. See info here.
/rtp - Teleport to a random location.
/spawn - Teleport to the Spawn world.
/home - Teleport to your home location. Must use /sethome first.
/sethome - Setup your home location.
/delhome - Delete your home location.
/petinfo - Display's info about your pet.
/petshop - Open's the Pet Shop GUI.
/petoptions - Change options about your pet.
/petcapturehelper - Help for capturing your own pet.
/petcall - Bring our your pet back (not from storage).
/petsendaway - Send your pet away (not storage).
/petstop - Stop your pet from attacking.
/petname - Set your pet name.
/petrelease - Release your pet into the wild (you cannot get it back, so be careful!).
/petrespawn - Respawn a fallen pet.
/petswitch - Open your pet storage GUI.
/petstore - Send your pet to storage.
/petskill - Display information of your pet's skill tree.
/petchooseskilltree or /pcst - Change your pet's skill tree.
/quest progress <quest name> - Check progress of a quest.
/quest cancel <quest name> - Cancel an ongoing quest.
/ushop - Main Chest Shop command.
/back - Teleport to a previous location.
/dback - Teleport to your last death location.
/balance - Display your current balance.
/ignore <player> - Ignore a player.
/ignorelist - Show a list of players you have ignored.
/kit tools - Claim the kit "Tools" (starter kit).
/mail - Main mail command.
/pay - Send money to a player.
/ping - Pong!
/rules - Display the server rules.
/tpa <player name> - Send a teleport request to another player.
/tpacancel - Cancel a teleport request.
/tpaccept - Accept a teleport request.
/tpdeny - Deny a teleport request.
/warp - Warp to an admin/server warp.
/ranks - Command for the Ranks GUI.
/qb - Toggle on or off the scoreboard.
/ah - Main Auction House command.
/cheque - Create a cash check to give to players.
/compass - Configure a compass to track a player.
/playtime - Check how much playtime you have on the server.
/dispose - Safely get rid of junk from your inventory instead of dropping items on the floor. Helps prevent server lag.
/lockip - Lock your account to only allow logins from your current IP.
/list - List online players.
/suicide - Take your own life.