Not sure if this has been posted already but this is one of the best mods out there. Lots of features and easy to use and install!
-Edit flying speed in game.
-minimap that shows items,mobs, and players,
-x ray and brightness hacks
- built in item spawner
-and a ton of single player mods such as extended reach, infinite hp, infinite breath, etc
[Only registered and activated users can see links. ]