Have you considered TeXmacs (www.texmacs.org)? See here a short video describing its features: https://www.youtube.com/watch?v=H46ON2FB30U https://www.youtube.c

Have you considered TeXmacs (www.texmacs.org)? See here a short video describing its features: https://www.youtube.com/watch?v=H46ON2FB30U https://www.youtube.com/watch?v=H46ON2FB30U and the twitter feed for more examples: https://twitter.com/gnu_texmacs https://twitter.com/gnu_texmacs