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

Viber - Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.

Shutter - Shutter is a feature-rich screenshot program.

Screenleap - Screenleap is a web app that lets users share their device's screen over the Internet. These screens can be a desktop computer monitor or a smartphone screen or anything else that can load a web browser. Read more about Screenleap.

MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.

MiVoice Office 250 - Whether you need a communications solution that supports digital handsets that can re-use existing wiring, or one that provides your business with access to the latest in IP phones and productivity enhancing applications, or even one that provides m…