Jira

Jira is Atlassian's enterprise project and issue tracking platform, launched in 2002 and now the dominant project management tool in software engineering with over 300,000 customers and 65 million users worldwide. Jira's strength is its extreme configurability — custom issue types, custom fields, custom workflows (with conditions, validators, and post-functions), custom screens, permission schemes, notification schemes, and Automation rules can model virtually any team's process. Jira Software (for agile software teams) supports Scrum boards (sprints, velocity charts, burndown), Kanban boards (WIP limits, cycle time), Roadmaps (initiative → epic → story hierarchy), and Backlog management. Jira's ecosystem is unmatched: 5,000+ apps on the Atlassian Marketplace extend Jira for test management (Zephyr, Xray), time tracking (Tempo), document attachments (Confluence integration), CI/CD visibility (Jenkins, GitHub Actions), and customer support integration (Jira Service Management). Jira's deep integration with Confluence (documentation), Bitbucket (code), and Trello (lightweight boards) keeps large enterprises in the Atlassian ecosystem. Jira's API is comprehensive — most enterprise development tools (Datadog, PagerDuty, Slack, SonarQube) offer native Jira integrations. Jira's main criticisms are interface complexity (non-technical stakeholders find it overwhelming), slow load times compared to modern alternatives, and configuration debt that accumulates over time. Jira Cloud and Jira Data Center are both actively maintained. Atlassian's 2024 revenue surpassed $4.4B, driven substantially by Jira's enterprise dominance.