Is Odoo really open source?

Related questions

1. What is Odoo Python?
2. Is Odoo really free?
3. Is Odoo open source?
4. What is open source ERP?
5. What is Odoo system?
6. What is Odoo online?
7. What is frappe framework?
8. What is Python Odoo?
9. How much does Odoo cost?
10. What is Odoo accounting?

Tags

1. #version
2. #source
3. #editions
4. #opensource
5. #homepage
6. #since
7. #three
8. #program
9. #through
10. #there
11. #modules
12. #community
13. #different
14. #crippled
15. #never
16. #latest
17. #enterprise
18. #service
19. #access
20. #online
21. #versions