KDE Free Qt Foundation
summary
KDE Free Qt Foundation holds a contract that forces Qt to stay usable as free software: if no new free-source Qt release appears for 12 month no-release window then three months later the last release is relicensed under a BSD 2-clause escape hatch. The contract covers core platforms (X11 with a defined successor clause for Wayland) and mandates LGPL/GPL availability for core libraries; parts of Qt remain commercially licensed or GPL-only, so some components may still be unavailable. Contributions and paid support are encouraged for LTS maintenance.
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chapters (10)
- 0:00Start
- 0:08Sponsors
- 1:13Disclaimers
- 6:16Q Public License
- 6:53Gpl V3
- 9:34Current Licensing Situation
- 12:16Returning to the History
- 22:29Questions
- 24:51What Are the Most Important Things To Think about When Starting a Project
- 28:32How Much Is Katy Contributing to the Qt Source Code
