ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Open Peeps - A hand-drawn illustration library.
Pagekite - Bring your localhost servers on-line.
Control Illustrations - 108 free flat illustrations with customizable characters
Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.
DrawKit - MIT licensed SVG illustrations, in 2 styles