Mainsail
Modern and responsive user interface for the Klipper 3D printer firmware. Control and monitor your printer from everywhere, from any device.
Actively maintained with regular releases.
Commit activity more than 52% of tracked projects; popularity more than 52%. How this is calculated.
Commits, last 11 months
| Stars | 2.2k |
|---|---|
| Latest release | v2.19.0 · 27 Aug 2026 |
| Repo updated | 26 Sept 2026 |
| Licence | GPL-3.0 |
| Built with | Docker, Python |
Is Mainsail actively maintained?
Development is ongoing. The repository recorded 294 commits over the same window, and the last three months alone account for 124 of them.
Activity is accelerating: the last quarter carried 377% more commits than the one before it.
The most recent tagged release, v2.19.0, shipped within the last month — a current, installable version exists today.
Mainsail ranks #5 of 7 tracked manufacturing projects. Several better-maintained options exist in the same category — they are listed below.
What Mainsail actually does
Mainsail provides a web-based user interface designed specifically for the Klipper 3D printer firmware. It allows you to monitor print jobs and control your manufacturing hardware remotely from standard web browsers across multiple devices.
Best fit: Operators running Klipper-based 3D printers who want a clean, responsive web control panel accessible from various devices on their local network or via remote tunnels.
Worth knowing: It has a narrow scope dedicated strictly to Klipper, meaning you cannot use it as a general control interface for other common 3D printer firmwares without significant adaptation.
Deployment notes
As a containerised application, it typically requires persistent volumes to retain configuration data and a reverse proxy to handle secure HTTPS connections from external networks.
Links
Alternatives to Mainsail
Projects in the same categories, ordered by health score.
Digital asset manager for 3d print files; STL, OBJ, 3MF and more.
Linux based CNC machine controller. It can drive milling machines, lathes, 3D printers, laser cutters, plasma cutters, robot arms, hexapods, and more.
Keep track of your inventory of 3D-printer filament spools.
Snappy web interface for controlling consumer 3D printers.
Lightweight & responsive user interface for Klipper, the 3D printer firmware.
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.