Is Xen Server free?

Related questions

1. What is Xenapp used for?
2. Does Xen use QEMU?
3. What platform does AWS run on?
4. Is XenServer still free?
5. Can hardware be virtualized?
6. Is Xen a bare metal hypervisor?
7. Is Xen open source?
8. What is XenServer used for?
9. What is Xendesktop and Xenapp?
10. What is Xentracking?

Tags

1. #updates
2. #security
3. #installation
4. #xenserver
5. #xencenter
6. #citrix
7. #maintenance
8. #management
9. #include
10. #users
11. #automated
12. #feature
13. #functionality
14. #patch
15. #server
16. #releases
17. #level
18. #difference
19. #fixes