Weekend projects and free hosting stacks go hand in hand. Its a hard sell to sign up for recurrent fees to power hacks and “experiments”. This is a list of combinations that I like. Highly Cachable Database Driven Sites Heroku + Mongo HQ : Databases on Heroku can be expensive. You can get around this using plugins and being flexable with your backend choices. The two best options I found are Mongo HQ which will give you 1/2 a Gig of storage.