Google Docs, Overleaf, Pages, LibreOffice - Writer, AbiWord, Etherpad, LyX, Texmaker, Walling, TexitEasy, HedgeDoc, Typeset, TeXpert, VerbTeX LaTeX Editor, SwiftLaTeX, Apache OpenOffice Writer, WPS Writer, Curvenote, ShareLaTeX, Papeeria, ScribTeX, \Bluelatex, Hive.js, LaTexLab, Google Cloud Connect are some alternatives to Fidus Writer.