open core

InfoStor:Red Hat wants to return the Gluster filesystem to its open source roots.

eCRM Guide: "Pentaho uses an 'open core' model, with a core open source community edition and an enterprise edition that bundles proprietary features on top."

IT Wire: "Jaspersoft, maker of the world's most widely used business intelligence software, is moving to expand its business relationships in Australia as it tries to consolidate its position ahead of the competition."

IT Wire: "Is the Linux kernel really free, as in freedom? Or is it following the "open core" model defined by Andrew Lampitt in 2008, as claimed by Alexandre Oliva of the Free Software Foundation Latin America?"

Linux Planet: "Where will Ubuntu be in 5 years? Is the future of Ubuntu with Open Core? Mark Shuttleworth tells all."

IT World: "Open core, like dual licenses, are all part of the whole "ways-to-make-money-faster-with-open-source-software" genre of business, but they are not the same thing."

Computerworld UK: "Apologists for the lock-in-prone "open core" model try to wrap themselves in the open source flag. Your business could suffer."

Enterprise Networking Planet: "Open source network monitoring and management vendor Zenoss is out this week with a new version of its commercial Zenoss Enterprise platform.

Zenoss Enterprise 3 is built on an open core model, with the core product based on the Zenoss Core open source project and including some proprietary bits on top."

ZDNet: "The idea is that you make the center of your product open source, but put the rest under a paid license.

This is supposed to make your venture capital backers happy. You gain the benefits of open source but customers aren’t “stealing” the software."

InformationWeek: "...there were three, or actually four, ways you could handle "open core" licensing -- where the basic version of your product is free, but the add-ons and support and such are not.

Everyone will (and should) do these things."