LyX – The Document Processor
TeXmacs is better. Check out this video: <a href="https://www.youtube.com/watch?v=mlcqGRv7xhc" rel="nofollow">https://www.youtube.com/watch?v=mlcqGRv7xhc</a><p>Unlike LyX, TeXmacs actually has WYSIWYG editing. LyX only provides a rough approximation of the output.<p>Moreover, the real-time typesetter in TeXmacs rivals the output of TeX/LaTeX. In some ways, it is better.