Why some open-source companies are considering a more closed approach

Tom Krazit, writing for GeekWire:

“Ninety-nine percent of the contributions to Redis were made by Redis Labs,” Bengal said. There’s a longstanding myth in the open-source world that projects are driven by a community of contributors, but in reality, paid developers contribute the bulk of the code in most modern open-source projects, as Puppet founder Luke Kanies explained in our story earlier this year.

Yes but Joomla is a fantastic exception, the project is 100% volunteer.