JIRA is a work management tool for different types of use cases, right from requirements and test case management to agile software DEVELOPMENT. It is a PRODUCT or a software tool for bug and issue tracking developed by Atlassian. It is commonly USED for project management, bug tracking, and issue tracking - based completely on these three aspects. Wide applications of Jira are found in the software FIELD. 

The Jira family comprises of the FOLLOWING 3 products:

• Jira Core: This is used for general-purpose task management.
• Jira Software: This is used in teams where agile methodologies, such as Scrum and Kanban are needed.
• Jira Service Desk: This is used as a support ticketing system.