3 ms·Uses ProseMirror [1] internally. Nice choice! [1] https://prosemirror.net/ https://prosemirror.net/by benrbray 6y agoUses ProseMirror [1] internally. Nice choice! [1] https://prosemirror.net/ https://prosemirror.net/mmmateo 6y agoProseMirror and CodeMirror. Those guys do great work.pier25 6y agoIt's actually a single guy, Marijn Haverbeke. He is also the author of "Eloquent JavaScript". https://marijnhaverbeke.nl/ https://marijnhaverbeke.nl/mmmateo 6y agoAh, my mistake. Good to know.