Is KDE open source?

Related questions

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5. Which is better KDE or Gnome?
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Tags

1. #community
2. #education
3. #about
4. #distribution
5. #developed
6. #desktop
7. #applications
8. #operating
9. #entertainment
10. #portable
11. #variety
12. #development
13. #computing
14. #international
15. #source
16. #communication
17. #software