Josh Parnham - Software Developer and organiser
Annotate Screen - Browser based annotation tool.
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.
Roboflow Annotate - Annotate images with ease. Export to any format.
ScreenFloat - Harness the power of screenshots to be more productive
Screenzy - A simple screenshot beautifier