Spigot plugin with a bunch of quite useful commands in it.
Download the latest release and drag it into your server's plugin folder!
/quiteusefulcommands [help | reload]
Main command of the plugin
/heal [<player>]
Heals you or <player>. It also removes any effects, feeds, extinguishes, unfreezes and replenishes air bubbles
/feed [<player>]
Feeds and saturates you or <player>
/gm [gamemode] [<player>]
Updates you or <player> to the selected gamemode
/gma [<player>]
Updates you or <player> to gamemode adventure
/gmc [<player>]
Updates you or <player> to gamemode creative
/gms [<player>]
Updates you or <player> to gamemode survival
/gmsp [<player>]
Updates you or <player> to gamemode spectator
/fly [<player>]
Toggles fly for you or <player>
/sudo <player> <command>
Forces <player> to execute
/enderchest
Open your or <player>'s enderchest
/workbench
Opens a crafting table screen
/invsee [<player>]
Open and edit your or <player>'s inventory
/ride <player>
Makes you ride <player>
/spawnmob <mob> [<count>]
Spawns a mob or multiple
/custommap <color <color> | image <url> [startPosX] [startPosY] [scaleDown] | big_image <url>>
Generates a custom map with a background of a sigle color or an image.
The big_image argument gives you all the needed maps to compose a bigger image
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/freeze <player>
Toggles freeze for <player>
/godmode <player>
Toggles godmode for you or <player>
/speed <fly|walk> <speed> [<player>]
Sets your or <player>'s fly/walk speed to <speed>
/flyspeed <speed> [<player>]
Sets your or <player>'s fly speed to <speed>
/walkspeed <speed> [<player>]
Sets your or <player>'s walk speed to <speed>