Paca – Lightweight Jira Alternative for Human-AI Collaboration
Original: Show HN: Paca – Lightweight Jira alternative for human-AI collaboration
Paca is an open-source lightweight Jira alternative purpose-built for human-AI collaborative workflows.
Paca is a new open-source project management tool positioning itself as a lightweight Jira alternative designed around human-AI collaboration. Submitted to Hacker News by its creators as a Show HN post, the project is hosted on GitHub under the Paca-AI organization. It targets developers and small teams seeking leaner task-tracking infrastructure that accommodates AI agents as first-class contributors alongside human team members.
Paca is a newly released open-source project management tool presenting itself as a lightweight alternative to Jira, designed specifically around human-AI collaboration. The project was shared by its creators on Hacker News under the Show HN format on June 13, 2026, suggesting an early-stage build seeking community feedback. The repository is hosted on GitHub under the organization Paca-AI, confirming its open-source nature.
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