Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Pocket - When you find something you want to view later, put it in Pocket.
Shutter - Shutter is a feature-rich screenshot program.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image