Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
latex2html - latex2html is a convertor written in Perl that converts LATEX documents to HTML. This way e.g.
TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.
Actinic - Definition of actinic in the Medical Dictionary by The Free Dictionary
LyX - LyX is a document processor.
TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...