Andrew Boon
As for "complete" open source (I assume you mean some of the more popular licenses that don't require payment for anything), we keep reassessing our policy regularly and would go GPL(or alike) in heartbeat as soon as we see it possible.
Below is the legacy version of the Boonex site, maintained for Dolphin.Pro 7.x support.
The new Dolphin solution is powered by UNA Community Management System.