If you like Perl and you make dynamic websites with databases backends, Catalyst is definitely worth a look.
It is basically an MVC engine for websites. It lets you nicely separate your business logic, the display and the database backend.
It has extended plugins to deal with things like authentications, sessions, templates, RSS, and God knows what
It can integrate Apache, and harness mod_cgi’s power for high-performance web applications.
It is a little bit tricky to get it right at the beginning, but there are nice tutorials.
Have a look !
Main website you’ll find everything there