ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Codefield - Tools for developers, designers and photographers
Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Pagekite - Bring your localhost servers on-line.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.