Cheez, the reason to not use Sinatra for me is that I'd have to implement all the security measures myself. Sure for a hobby project or a really simple project

Cheez, the reason to not use Sinatra for me is that I'd have to implement all the security measures myself. Sure for a hobby project or a really simple project it might be OK. I guess it all depends on what budget you have for spending time re-implementing all the plumbing.