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Mainsail

Modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device.

github.com/mainsail-crew/mainsail

GitHub stats

GitHub stars
2,220
Forks
595
Open issues
87
Commits, last 12 months
311
Last commit
Oct 4, 2026
Latest release
v2.19.0Aug 27, 2026
Created
Feb 16, 2020

Data from the GitHub API, refreshed daily.

About Mainsail

Modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device. Mainsail is open source under the GPL-3.0 license and written mainly in Vue, so you can read the code, run it on your own hardware and keep full control of your data.

The project has 2,220 stars and 595 forks on GitHub, with 311 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.

Topics

  • klipper
  • moonraker
  • interface
  • responsive
  • 3d-printing
  • mainsail
  • vorondesign
  • hacktoberfest

Repository preview

Mainsail repository previewmainsail-crew/mainsailOpen repository

FAQ

Mainsail FAQ

Still curious? Email info@appsgit.com.

What is Mainsail?

Mainsail is a free, open-source app you can host on your own server, listed in our Manufacturing & Agriculture category. Modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device. The source code lives at github.com/mainsail-crew/mainsail, where it has 2,220 stars.

Is Mainsail free and open source?

Yes. Mainsail is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I run Mainsail with Docker?

Yes. Mainsail provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.

What are the best alternatives to Mainsail?

Popular open-source alternatives to Mainsail include Octoprint, Spoolman and CNCjs.

Is Mainsail actively maintained?

The most recent commit to Mainsail was on Oct 4, 2026 with 311 commits in the past twelve months. The latest release is v2.19.0, published Aug 27, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.