Jira by Atlassian is the most widely used issue tracking and project management tool in enterprise software development.
Jira is the enterprise standard for software project management. It supports Scrum, Kanban, and hybrid workflows with detailed issue tracking, sprint planning, backlog grooming, and reporting. Jira's strength is its configurability — custom issue types, workflows, fields, and screens can model virtually any engineering process. The Atlassian ecosystem connects Jira to Confluence for documentation, Bitbucket for code, and hundreds of marketplace apps. While Jira has a reputation for complexity and some teams have migrated to simpler tools like Linear, it remains the dominant choice in large engineering organizations where process compliance and detailed reporting matter.