LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG). LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a GUI.
Overleaf, formerly WriteLaTeX, is a collaborative writing and publishing system that makes the whole process of producing academic papers much quicker for both authors and publishers.
KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and drop, copy and paste or save to disk) from LaTeX equations. It is written in Qt4.
VerbTeX is a free, collaborative LaTeX Editor. It allows you to create and manage LaTeX projects directly on your Android device and generate a PDF by using Verbosus (Online LaTeX and Octave Editor)
SwiftLaTeX is a Web-browser based editor to create PDF documents such as reports, term projects, slide decks, in the typesetting system LaTeX. In contrast to other web-based editors SwiftLaTeX is true WYSIWYG, What-you-see-is-what-you-get: You edit directly in a representation...