How is bootstrap free?

Related questions

1. How do I connect to bootstrap?
2. What is the purpose of CDN?
3. What is bootstrap Quora?
4. What is Akamai CDN?
5. What is a CDN number?
6. Does bootstrap use sass?
7. Is Bootstrap CDN free?
8. What is Maxcdn bootstrap?
9. What is CSS CDN?
10. Does bootstrap come with jquery?

Tags

1. #interface
2. #other
3. #tools
4. #websites
5. #buttons
6. #navigation
7. #components
8. #contains
9. #applications
10. #forms
11. #collection
12. #optional
13. #creating
14. #design
15. #extensions
16. #based
17. #typography
18. #javascript
19. #templates
20. #bootstrap