bOP is an open source application development framework primarily focused on information systems. The architecture is layered, so you can use just a little bit, the whole thing, or somewhere in between. bOP has about 900 classes.

The first step is to read why bOP? This will give you a feeling for the problem bOP evolved to solve.

Visit the bOP Pet Shop to see bOP in action.

You can download bOP here:

https://github.com/biviosoftware/perl-Bivio