Pages VS Apowersoft Free Screen Capture

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.

NinjaCapture - All in on Screen Capture

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.

Picosmos Tools - Picosmos Tools integrates picture browsing, editing, layout, frames, and cosmetic effects into one set. It also provides plenty of source material.

Wondershare PDFelement - All-in-one PDF editor

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.