Take Blackduck's results with a giant fist full of salt, but do look at these trends.
This is a well thought out position on a very complicated question. I've talked to RMS about this before so I basically understood his position but it's very helpful to walk through the logic here. I think I mostly agree with him.
Nice overview of the contributor agreement/copyright assignment discussion.
Interesting blog post about the difficulty of chasing up old copyright licenses.
Interesting opinion article in favor of the LGPL for QT.
Why binary kernel drives are a broken idea technically.
"Trying to shift the burden of proof back onto themselves, I asked why they don't contribute to the open-source projects from which they derive so much value. Many indicated that it's too hard to contribute back to open-source projects due to internal legal issues and the high bar to knowing how to contribute. They suggested that they would instead prefer to pay the open-source companies to do that work for them."
Interesting exploration of dual licensing of free software and their effects.
Weird. In a good way! The NY Times and John Markoff seems to have made an about-face in their representation of free software. Awesome