JIRA official: Why is Jira used?

Because you have various transactions There are always various transactions to be processed at work, and these transactions are not just bugs in the code. These transactions are filled with your inbox, and various ideas are scattered in the Excel sheet. The requirements are hidden in the original business system. With Jira, you can easily capture and manage your transactions, prioritize your tasks, put your work on important things, and keep yourself updated with the latest activities related to your business and events.

You have a process for everything. No one knows your team better than you, so you don't need to be forced to use other processes. You can customize workflows that match your team's work in Jira.

Plan work and develop work plans Quickly decide what you and the team need to do.

Control Team focus A simple and intuitive interface helps you access the required information, better collaborate with the team, and do your work well.

Do not know the last one It is important to maintain timely and smooth communication. JIRA can promptly notify you of any method you like, email, RSS, or chat tools. Monitors activity streams, panels, wallboards, and so on to ensure that you are never the last person to know what others are doing.

From: http://www.unlimax.com/jira.html