Alekin

Not really a hostel but rather a room rental, with a fantastic location in the heart of Florence (next to Piazza della Signoria, and just in front of the Porcellino Market). It’s basically a flat with 5 rooms and a toilet, plus a one-​room-​flat next door, which is where I have stayed, that needs to access the main apartment to use the restroom.
The furniture is pretty essential, no frills, but it’s a clean place. Even though there was only one toilet and the place was full, I never had to wait to use it, and it was clean.
Recommended for those without great expectations and who want to stay in the center for a very cheap rate.