Many business solutions provide all of their features in one single application. They use a (more or less) deep tree structure for their menus and modules. These applications have their advantages, of course, but they are also hard to learn.
Kumula takes a different approach and does things the UNIX way; "Do one thing and do it well." Kumula is a suite of various programs, each one handling only the tasks they do best.
Read the Kumula paradigm for more information about our design philosophy.