What is Jira
It was developed in Java by an Australian company called Atlassian. The software can be deployed on the server of a company. Among the features of Jira tools, you will find the following: greater visibility during the development phase of your software; better prioritisation of tasks throughout development; increased productivity; the possibility to track the time spent on each task; and the generation of reports on tasks.
Three different packages can be found: Jira Core, Jira Software, Jira Service Desk.