GitHub Repository

AI-native, free, open-source alternative to Jira, Trello, ClickUp & Monday. Built for Scrum teams where humans and AI agents collaborate as equals — on the same board, the same sprints, the same goals. Self-hosted. Fully customizable via config and plugins.

964 starsGo

Paca – Lightweight Jira alternative for human-AI collaboration

Name: Paca – Lightweight Jira alternative for human-AI collaboration
Availability: InStock
Author: pikann22

by pikann22·Jun 13, 2026·171 points·60 comments

Visit Project View on HN

AI Analysis

●MidShip ItBold Bet

Yet another Jira alternative betting everything on AI agents as teammates instead of chatbots.

Strengths

•WASM plugin architecture allows safe, customizable extensions without requiring server restarts.
•MCP server integration lets agents actually pick up tasks instead of just chatting.
•Written in Go for single-binary deployment and low resource usage.

Weaknesses

•Asking teams to switch PM tools is a massive hurdle against entrenched competitors.
•Repo has zero forks or issues, suggesting very early stage with unproven stability.

Post Description

I built Paca out of pure passion—a free and lightweight Jira alternative written in Go where humans and AI agents work together as equal teammates to plan sprints and assign tasks to each other. It is fully customizable with custom views, fields, and a WASM-based plugin architecture. My team uses it daily for our own development, so it will be continuously maintained and completely free forever