Recently, I've been doing alot more pixel art than coding for my own game. I don't know what program to use since I don't have the cash to go around buying a £100 package and stuff just to do some pixel art. I normally use the program my game runs on which is BYOND, or I would use MS Paint which isn't really the best thing to work on sometimes. Is there any free software you can suggest for me to use?

Sorry if this is the wrong forum.