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.
Airsketch - Simple screenshots + annotations for Mac 🖥️
Dropzone - If you want your file uploads to work even without JavaScript, you can include an element with the class fallback that dropzone will remove if the browser is supported.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Dropshelf - Dropshelf is a place to put things. Drag anything to the edge of the screen, and a shelf slides out.
Evernote Web Clipper - Clip, don't bookmark. Web Clipper is a browser extension that lets you save any web page, article, or image into Evernote. Download now.