TeXworks - The TeXworks project is an effort to build a simple TeX front-end program (working environment)...
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Table Generator - WYSIWYG table editor that allows you to generate code in LaTeX, HTML, Markdown, Text-only
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
vimtex - vimtex is a Vim plugin that provides support for writing LaTeX documents.
Wondershare PDFelement - All-in-one PDF editor