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.

Annotable - Ultimate image annotation & markup tool

Dropover - Mac app for easier drag & drop

Hover Me - Hover me lets you quickly annotate any image and easily integrate an interactive version within your own website.

Unclutter - Unclutter is an app that is designed to help Mac users bring order to their desktop. Among other features, this powerful piece of software provides quick access to a user's notepad and clipboard.

Picsell.ia - Annotate datasets smarter, 10x faster & cheaper.