Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Airtime - Hang out with group video, share music & videos
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.
LightShot - The fastest way to take a customizable screenshot.