1/4 c vinegar
1/2 tsp liquid soap
2 c water

Found this to work on general cleaning, too.  Not tested on stove grime yet, and it does next to nothing to mildew on textured walls or soap scum without a lot of elbow grease.  However, for most basic household uses, it is fine, and if you keep up with it, you don’t end up needing to worry about some of the more severe cleaning situations.