Stocking - This Ok for a 44 Gal?

Dump the guppys and the Sulphur Crested Lithobate, especially the SCL, its a Malawi cichlid and needs hard water. The others sound ok., although when mating the dwarf cichlid may get aggressive. Also, keep in mind these fish like soft, slightly acidic water, so if you do get these, keep your ph around 7, or a little lower. So if you can maintain your water like it is, you should be fine. Personally, I would go with something other than the gouramis, and keep a South American theme going, but this is just my opinion. Not a have to.