Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
DigitalChalk - Online Training Software and Learning Management System (LMS)
TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Texmaker - Texmaker, free cross-platform latex editor
Onehub - Onehub helps businesses securely share and control files in the cloud.