Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.
Postman - The Collaboration Platform for API Development
Pagekite - Bring your localhost servers on-line.
Mocky.io - Mock your HTTP responses to test your REST API
tmate - Tmate is a instant terminal sharing based on ssh.
StopLight - Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality in your API lifecycle, all with an easy, enjoyable developer experience.