Although not specific to data science, if you write a lot of documents with mathematical notation, you are probably familiar with . is a typesetting system common for mathematics.

There are now some nice resources to help you write and produce documents collaboratively on the web.

• ShareLatex writing and collaboration platform
• writeLaTeX online collaborative editor

Another site, LaTeX Templates is just what you would guess. It contains of bunch of sample templates to make creating documents a bit quicker and easier.