The New Minbox - Organize and collaborate across clouds
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Serverless Components - An easier way to build applications with cloud services
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Mobilize - Mobilize is a scalable messaging app built for large groups.
LightShot - The fastest way to take a customizable screenshot.