LEd - LaTeX Editor, called later LEd, is an environment for rapid TeX and LaTeX document development.

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.

HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.

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.

TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.

Wondershare PDFelement - All-in-one PDF editor