proxychains ng (new generation) - a preloader which hooks calls to sockets in dynamically linked programs and redirects it through one or more socks/http proxies. continuation of the unmaintained proxychains project. the sf.net page is currently not updated, use releases from github release page instead.
Grabs the dominant color or a representative color palette from an image. Uses javascript and canvas.
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies.
Medium.com WYSIWYG editor clone. Uses contenteditable API to implement a rich text solution.