Boot2Gecko

The thing behind FirefoxOS and Capyloon

https://github.com/b2gOS

... using Gecko rendering engine as graphics layer for the OS https://wiki.mozilla.org/B2G

Running on the desktop : https://web.archive.org/web/20121026133716/http://www.informationisart.com/11/

Writing a wiki on boot2gecko :

https://chat.openai.com/share/8a7783d9-e975-4a13-b843-b1b6af9fe508