The frePPLe software has dual licensing, which means:
In short, the AGPL license is a strong copyleft license. You are allowed
to copy, use and modify the source code as long as any derived product
remains AGPL-compatible open source : “what is open source must remain
You can thus not make a proprietary commercial product using frePPLe.
This also applies to users who interact with frePPLe over a network: they
must be able receive the source code.
The frePPLe Enterprise Edition is distributed under a proprietary
The source code of the extensions is not redistributed.
You can also purchase a commercial OEM license from frePPLe bvba if
you do not wish to be bound by the terms of the AGPL.
With this license you have the right to create frePPle-based products and
services that can remain proprietary and protected.