ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
SmartDVB - This is a fully functional DVB application which supports DVB-S/T/C and ATSC devices.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
DVBViewer - DVBViewer allows you to experience Digital TV on your PC.
LightShot - The fastest way to take a customizable screenshot.
Tvheadend - Redmine