Giphy Chrome Extension - Respond to emails, tweets & more w/ GIFs in a jiffy
Virtual Magnifying Glass - Virtual Magnifying Glass, a free, open source, screen magnification program for Windows, Linux, FreeBSD and Mac OS X. Free full version download and instructions for use.
Giphy For Gmail - Add the power of GIFs to your email
Magnifixer - Magnifixer is a screen magnifier utility.
YouTube GIF Creator - Turn any video into a GIF directly inside YouTube
ZoomIt - Presentation utility for zooming and drawing on the screen.