Roboflow Annotate - Annotate images with ease. Export to any format.
Chipit - Store and tag all your screenshots.
Annotate Screen - Browser based annotation tool.
Josh Parnham - Software Developer and organiser
Picsell.ia - Annotate datasets smarter, 10x faster & cheaper.
Yoink - Yoink is a website that makes it easier to drag and drop images and text from one screen to another. It's a straightforward site with help along the way if you aren't sure about dragging and how to place your content.