You can run a free OS pretty effortless, but when wanting 100% free software, you have to dig deeper and replace the proprietary BIOS firmware.
You can run a free OS pretty effortless, but when wanting 100% free software, you have to dig deeper and replace the proprietary BIOS firmware.
Besides the already mentioned Star Labs and System76, there’s also Insurgo, Nitropad and NovaCustom.
As for an exhaustive list on the matter, unfortunately, I don’t think something like that is out there. Though both Canoeboot (formerly known as Libreboot) and Dasharo do have their own respective lists.
Canoeboot is more of a sister to libreboot than a replacement
https://libreboot.org/news/canoeboot.html