# Sponsors

Klipper is Free Software. We depend on the generous support from
sponsors. Please consider sponsoring Klipper or supporting our
sponsors.

## BIGTREETECH

[<img src="./img/sponsors/BTT_BTT.png" width="200" />](https://bigtree-tech.com/collections/all-products)

BIGTREETECH is the official mainboard sponsor of Klipper. BIGTREETECH
is committed to developing innovative and competitive products to
serve the 3D printing community better. Follow them on
[Facebook](https://www.facebook.com/BIGTREETECH) or
[Twitter](https://twitter.com/BigTreeTech).

## Klipper Developers

### Kevin O'Connor

Kevin is the original author and current maintainer of Klipper.  Kevin
has a Patreon page at:
[https://www.patreon.com/koconnor](https://www.patreon.com/koconnor)

### Eric Callahan

Eric is the author of bed_mesh, spi_flash, and several other Klipper
modules.  Eric has a donations page at:
[https://ko-fi.com/arksine](https://ko-fi.com/arksine)

## Related Klipper Projects

Klipper is frequently used with other Free Software. Consider using or
supporting these projects.

* [Moonraker](https://github.com/Arksine/moonraker)
* [Mainsail](https://github.com/mainsail-crew/mainsail)
* [Fluidd](https://github.com/fluidd-core/fluidd)
* [OctoPrint](https://octoprint.org/)
* [KlipperScreen](https://github.com/jordanruthe/KlipperScreen)
