Is Jira open source?

Related questions

1. What is an issue in Jira?
2. Does Jira cost money?
3. Is Jira a software?
4. Does trello make money?
5. Is Jira a testing tool?
6. Is Jira used for testing?
7. What is difference between Jira and Confluence?
8. What is Jira helpdesk?
9. Is Jira a ticketing system?
10. What does trello do?

Tags

1. #tracking
2. #project
3. #household
4. #issue
5. #however
6. #source
7. #software
8. #openproject
9. #established
10. #agile
11. #management
12. #alternative
13. #player