ShareLaTeX is an online LaTeX editor that allows real-time collaboration and online compiling of projects to PDF format. - wikipedia 
ShareLaTeX. online collaboartive text editor for LaTeX. free software and website
- wikimedia.org
# Sections
The site follows the freemium pricing model, and the free hosted accounts and open-source version of ShareLaTeX include the following features: - wikipedia
* private and public projects
* real-time collaboration between private collaborators (maximum 2 collaborators per project)Plans and Pricing - ShareLaTeX, Online LaTeX Editor
* spell-check
* one-click compilation to PDF
The paid plans include additional features:
* Revision control|change Tracking * Dropbox (service)|Dropbox synchronization * GitHub synchronization * document history * more collaborators per project (number ranges depending on chosen plan)
# Technical architecture
ShareLaTeX uses Node.js written in CoffeeScript with data stored in MongoDB and Redis. - wikipedia
ShareLaTeX is able to integrate the R (programming language). It has integrated the Knitr package.
# See also