For general odour remover, I use Stink-Free candles (I'm prone to the butterscotch and the executive aromas).  For basic furniture/carpet odour removal I use Nok Out.  For specific messes I use Nature's Miracle Just For Cats for cat pee, Simple Solutions Stain and Odour remover for dog pee and all other messes (I've used it for poop, vomit, blood, ink and wine).  For really bad carpet issues I pull the carpet up and spray Get The Odor Out on the underpad and the back of the carpet - full strength.  For the bird cages we use Simple Solutions Bird Droppings Remover.

I'm very curious to learn what everyone else uses!

Oh, for general cleaning we have always used just hot water with a touch of bleach or warm water with a touch of Orange-a-Peel.  We don't use chemicals or anything strong because of the special needs critters who can't tolerate much of anything that is too strong or artificial.

For the record, we currently have five dogs, two cats and five parrots in the house.  However, we have topped out at 6 cats + 13 dogs, and 22 cats + 3 dogs (different occasions).  We run a rescue, so these were emergency situations that lasted about a month or so and then tapered down quickly.

One final note - for cat litter we use a pair of kiddie pools in the basement filled with Feline Fresh pine litter.  They're a bit of a challenge to clean, but litter box odour is nonexistent in my home - even when the cats numbered 22.   

Good food all around also keeps the odour under control - as does regular baths for the dogs and showers for the parrots.  We spend a LOT of time cleaning.  But they're worth it.   

I also use Out,I find it the least offensive smell of the enzyme cleaners.We have 3 dogs [1 likes to mark since 2007 & 1 occasionally drips urine since 2007] & 2 cats[1 tends to use the carpet when sick or upset] & maybe 1 hermit crab.I also shampoo the carpets a lot, I have a Bissell carpet shampooer. I usually mix the shampoo 1/2&1/2 with out to cut the chemicals.

I use Nature's Miracle for specific messes and I also have a hand-held cordless steam cleaner. (Bissell Spotlifter, I think it's called.)  I scoop litter boxes 3 or 4 times daily and change the litter when it starts to get even a little bit funky.  Washing out the boxes helps a great deal too.  The litter boxes themselves can start to smell if they are not wiped out and disinfected before putting clean litter in.  I wash pet bedding every week or 2 and I also burn lots of incense!  For the doggies weekly baths would probably help a lot.

"Get Serious" works well for really old stains too - unlike many other enzymatic cleaners, you can heat it up for an extra boost.  I had great luck with it on a peed on chair.  lol

I don't really like it for carpet though - but if you're taking stains out of clothes, it works great!