Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
Hemingway - Hemingway App makes your writing bold and clear.
Fidus Writer - Fidus Writer is an online collaborative LaTeX editor especially made for academics who need to use...
exegesis - A writing app for disorganized, creative, nonlinear thinking
TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.