Is VirtualBox free?

Related questions

1. Is VirtualBox free for commercial use?
2. What type of hypervisor is KVM?
3. What is KVM Linux?
4. Is KVM a Type 1 hypervisor?
5. What is a KVM server?
6. Is QEMU free?
7. Is QEMU a hypervisor?
8. Where does a Type 2 hypervisor run?
9. Is VirtualBox illegal?
10. Is Hyper V Type 1 or Type 2?

Tags

1. #solaris
2. #innotek
3. #source
4. #windows
5. #macos
6. #hosted
7. #hypervisor
8. #virtualbox
9. #virtualization
10. #linux
11. #developed
12. #oracle
13. #corporation
14. #formerly
15. #installed
16. #opensolaris