Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
AceStream - AceStream is multimedia platform for video streaming.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Open Streaming Platform - A self-hosted video streaming and recording server using Python, Flask and Nginx-RTMP.
LightShot - The fastest way to take a customizable screenshot.
Piczel.tv - A free all-purpose streaming website.