I occasionally work with LaTeX and it is a pain. In a lot of ways it is like working in a code editor with a compiler. This is the first implementation where you get WYSIWYG in the editor. Looks promising.
Karl Traunmüller ( tweet ) introduces Compositor : In a traditional LaTeX workflow, you would edit the LaTeX source in a text editor, compile the document every now and then, and check the effects of your changes in the DVI viewer.