Is Drupal free to use?

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Tags

1. #source
2. #drupal
3. #example
4. #content
5. #modify
6. #globe
7. #organizations
8. #people
9. #extend
10. #millions
11. #build
12. #large
13. #management
14. #websites
15. #platform
16. #their
17. #supportive
18. #system
19. #maintain
20. #download
21. #around
22. #community
23. #anyone