Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...
TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.
Fidus Writer - Fidus Writer is an online collaborative LaTeX editor especially made for academics who need to use...
Archimedes - Archimedes is a LaTeX and Markdown editor designed to make mathematical writing easy.
TeXmacs - GNU TeXmacs is a free wysiwyw (what you see is what you want) editing platform with special...