XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...

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.

Fliqlo Screensaver - A screensaver that displays the time using a flip clock.

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.

Padbury Clock Screensaver - Minimal screensaver for Mac

Wondershare PDFelement - All-in-one PDF editor