What is Zephyr for Jira?

Related questions

1. Is Jira only for agile?
2. What is difference between Jira and Confluence?
3. What is Jira Agile?
4. Is Jira open source?
5. Is trello owned by Google?
6. Is Jira used for testing?
7. Is Jira an automation tool?
8. What does trello do?
9. Why is confluence used?
10. What can confluence do?

Tags

1. #executed
2. #other
3. #exists
4. #capabilities
5. #management
6. #brings
7. #viewed
8. #application
9. #project
10. #testing
11. #native
12. #issues
13. #created
14. #immediately
15. #linked
16. #quality
17. #cycle
18. #zephyr