Funambol, a Redwood City, CA based software company has released version 3 of it’s email delivery software that provides push email, PIM synchronization, and device management for mobile devices and since Funambol is open source, is, of course free.
One of the really cool things about Funambol is that it is compatible with over 75% of all mobile phones shipping today including BlackBerry and runs on Microsoft Exchange, Lotus Notes, IMAP, and POP. Funambol v3 is open source and more information about obtaining an open source license can be obtained here, however, Funambol provides a commercial licenses as well.
Funambol commercial products provide functionality, connectivity, and compatibility beyond what the open source code base does. The commercial products are available with full support, documentation, and consulting services. Further, Funambol’s commercial license does not trigger open-source obligations (such as code reciprocity or viral licensing), and it provides intellectual property indemnification to the user organization.