Ever been annoyed of setting rules on who is allowed or whether anyone is allowed to go into creative on a free server? Ever wanted to block spectator mode on your server? Well this plugin allows you to control what gamemodes are allowed in a world and who can access them.
Commands:
/gc help - Help
/gc list [world] - Lists the blocked gamemodes in a world
/gc add <gamemode> [world] - Block a gamemode from a world
/gc del <gamemode> [world] - Unblock a gamemode from a world
/gc clear - An OP only command. Clears the config.
Permissions:
gc.bypass.s : Bypass survival gamemode restrictions
gc.bypass.c : Bypass creative gamemode restrictions
gc.bypass.a : Bypass adventure gamemode restrictions
gc.bypass.spec : Bypass spectator gamemode restrictions
gc.add : /gc add - Add gamemodes to list of restricted gamemodes in a world
gc.del : /gc del - Remove gamemode from list of restricted gamemodes in a world
gc : /gc - General gamecontrol command
If you have any questions, feel free to ask or pm me.

GameControl 1.0.1
Control what gamemodes are allowed in your worlds