yup it is :) fossil ui - runs the browser as UI (from https://www.fossil-scm.org/home/doc/trunk/www/index.wiki https://www.fossil-scm.org/home/doc/trunk/www/in

yup it is :) fossil ui - runs the browser as UI (from https://www.fossil-scm.org/home/doc/trunk/www/index.wiki https://www.fossil-scm.org/home/doc/trunk/www/index.wiki) one of the first examples I've seen, but not the only one.