Currently up and running I have Janus in his new Marineland 5 gallon hex.
I've had a 10 gallon which was originally a sorority and then used to split males, currently taken down.
A 2.5 gallon minibow-type tank that's at my parent's house currently.
A 2-3 gallon (not exactly sure of its size) Critter keeper that's at my parent's house.
A 3.3 gallon Critter keeper that's...you guessed it, at my parent's house.
My sister also gave me her 5 gallon tank, but it eventually developed a huge crack down the side and didn't have a proper hood so I threw it out.
As for equipment, I've got 4 or 5 heaters at home (none of which really work so well...I seem to be cursed when it comes to heaters). I've got a plastic bag full of decor and a plastic bag full of fake plants that I rotate through, though I've also got some extra stuff at my parent's house.