Game Mode Switcher

Game Mode Switcher lets you switch between any game mode in two ways through a clean in-game menu or using commands. No cheats needed. You can also change the game mode of other players directly from the menu.        

Features

• Switch between Survival, Creative, Adventure and Spectator from a simple menu
• Change game mode for other players directly from the menu
• Current active game mode is highlighted in the menu
• Toggle chat message feedback on or off
• No cheats required both menu and commands work without cheats
• Open the menu by using a stick named vgms

How to Open the Menu

• Type /vgamemode in chat — the menu will open instantly
• Rename any stick to vgms and right click with it — the menu will open

Commands

• /vgamemode — opens the game mode switcher menu
• /vgamemode s or /vs — switch to Survival
• /vgamemode c or /vc — switch to Creative
• /vgamemode a or /va — switch to Adventure
• /vgamemode sp or /vsp — switch to Spectator

I have another addon called Creative Mode but that one only lets you switch between Survival and Creative. This Game Mode Switcher addon supports all four game modes, command based switching and changing other players game mode too.