Spiritually similar to something else from another former Mozillian: <https://github.com/rginda/axiom https://github.com/rginda/axiom> And then of course ther

Spiritually similar to something else from another former Mozillian: <https://github.com/rginda/axiom https://github.com/rginda/axiom> And then of course there's Fabrice Bellard's vfsync.org, which grew out of his JSLinux project.