Argos
Argos runs in CI across builds, browsers, and devices, with comments and approvals for UI changes, adjustable pixel-difference thresholds, and a history of changes. It integrates with version control and project management tools.
Alternatives / Chromatic
2 open-source alternatives
2 Best Open Source Chromatic Alternatives in 2026
Looking for an open source Chromatic alternative? We compared 2 open source visual regression tools by license and maintenance. Argos is active, while Lost Pixel's repository is archived.
Written by Maxime DERAME
Last updated:
Best Chromatic alternatives at a glance
| Alternative | Best for | License |
|---|---|---|
| Lost Pixel | Visual regression (archived) | MIT (archived) |
| Argos | Visual review in CI | MIT |
How we chose these Chromatic alternatives
We looked for open-source tools that compare UI screenshots in CI like Chromatic. We verified each project's license, recent activity, stars, and status in its repository. See our methodology for the full criteria.
Lost Pixel
Lost Pixel compares screenshots across versions with GitHub Actions, GitLab CI, and CircleCI integrations. Its repository is archived, so it receives no updates.
License details
Argos and Lost Pixel are MIT.
Maintenance status
Argos had commits within days of this update. Lost Pixel is archived.
Why look for a Chromatic alternative?
Chromatic is a proprietary service priced by snapshots, and it is tied to Storybook. Open-source tools avoid snapshot pricing but have fewer features.
lost-pixel.com
Lost Pixel is an MIT visual regression tool that compares screenshots of pages and components across versions, integrates with GitHub Actions, GitLab CI, and CircleCI, and has a review interface. Its repository is archived, so it no longer receives updates.
1.7K89MIT (archived)Self-hosted
Pricing: Free and open source.
- Works with common CI systems
- Configurable viewports and browsers
- Review reports
- Repository is archived
- No updates or fixes
argos-ci.com
Argos is an MIT visual testing platform that automates screenshot comparisons in CI across builds, browsers, and devices. Teams can comment on and approve or reject UI changes, set pixel-difference thresholds, and keep a history. It also offers a hosted service.
64467MITSelf-hosted
Pricing: Free open-source code; hosted plans are paid.
- Team review of UI changes
- Adjustable thresholds
- CI integration
- Smaller community
- Hosted service for convenience
Compare Chromatic alternatives
| Alternative | Type | License | Self-hosted | Best for |
|---|---|---|---|---|
| Lost Pixel | Visual testing | MIT (archived) | Yes | Not recommended |
| Argos | Visual testing | MIT | Yes | Closest replacement |
Which one should you choose?
Want team review of UI changes
Argos lets teams comment on and approve UI changes in CI.