UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...
Wondershare PDFelement - All-in-one PDF editor
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
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.
Nero BackItUp - Nero BackItUp protects your files and memories on your PC or laptop.
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.