/broadcast - Send a message to the whole server.
/ci - Clears your or another player's inventory.
/clearchat - Clears the chat in the whole server.
/day - Sets the time to day.
/fly - Gives you the ability to fly.
/freeze - Freezes you or another player.
/give - Give you or another player items.
/god - Gives you god mode.
/hat - Sets the helmet to the item that you are holding in your hand.
/nick - Sets a custom nick for you or another player.
/resetnick - Resets the nick for players.
/night - Set the time to night.
/rain - Sets the weather to rain.
/repair - Allows you to repair all of your items.
/staffchat - Enables staffchat.
/sun - Sets the weather to clear.
/thunder - Sets the weather to thunder.
/togglepvp - Toggles your pvp on or off.
/tpall - Teleport everyone to you.
/vanish - Vanishes you from other players.
/msg - Message another player on the server.
/socialspy - See messages that are being sent.
/invsee - Allows for you to see another player's inventory.
/speed - Changes your walk speed.
/flyspeed - Changes your flight speed.
/heal - Heals you.
/feed - Feeds you.
/rtp - Teleports you to a random location.
/mute - Mutes a player.
/umute - Unmutes a player.
/ec - Opens your or another player's enderchest.
/top - Teleports you to the highest block.
/tpoffline - Teleports you to the last location of an offline player.