>[...] To show our commitment to this dual licensing model, the KDE Free Qt Foundation was founded in 1998. It is a non-profit foundation ensuring that Qt will always be available under open source licensing terms. The agreement that governs this foundation has stayed mainly unchanged over the last 17 years. As a lot of things have changed during these years, we have been working with KDE over the last year to create a new and updated agreement that takes todays realities better into account.[...]
https://news.ycombinator.com/item?id=22821050