The lightweight Jira alternative built for human-AI collaboration
WASM plugins, custom fields, and AI-first workflows without the bloat. Free, open-source, and ready to scale with your team.
Get Started Free
WASM plugins, custom fields, and AI-first workflows without the bloat. Free, open-source, and ready to scale with your team.
Get Started FreeExtend Paca with WebAssembly plugins. No backend deployment required. Ship custom features in minutes, not months.
Define exactly the metadata your workflow needs. From story points to risk scores, shape Paca around your process.
Native Claude integration for summarization, ticket generation, and dependency analysis. Your assistant is already here.
No bloated UI. No unnecessary features. Fast load times, low memory footprint, works offline for local teams.
Full transparency. Self-host or use our cloud. Your data stays yours. MIT license, community-driven development.
Instant updates across your team. Conflicts resolved automatically. No merge hell, no lost changes.
| Paca | Jira | Linear | |
|---|---|---|---|
| Setup time | 5 min | 2 hours | 30 min |
| Custom plugins | WASM (free) | Marketplace ($$) | Limited |
| AI features | Built-in | Premium add-on | Basic |
| Learning curve | 1 day | 2 weeks | 3 days |
| Self-hosted | Yes | Enterprise only | No |
| Starting price | Free | \$7/user/mo | \$10/seat/mo |
Register interest
This is not a purchase and there is no card field. It puts your address, this product, and whatever you write below in front of a person, and you get a written answer about what finishing it, or handing it over for you to run yourself, would actually take.