ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
LightShot - The fastest way to take a customizable screenshot.
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.