Annotable - Ultimate image annotation & markup tool
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Picsell.ia - Annotate datasets smarter, 10x faster & cheaper.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Roboflow Annotate - Annotate images with ease. Export to any format.
LightShot - The fastest way to take a customizable screenshot.