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.
ilys - ilys trains your creative-mindto experience pure writing flow.
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.
Branch - A new way to talk to each other
Wondershare PDFelement - All-in-one PDF editor
Matomo - Matomo is an open-source web analytics platform