WebTTY is described as 'Allows you to share a terminal session from your machine using WebRTC. You can pair with a friend without setting up a proxy server, debug servers behind NATs, and more. WebTTY also works in-browser' and is an website. There are more than 10 alternatives to WebTTY, not only websites but also apps for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and Docker apps. The best WebTTY alternative is Fossorial Pangolin, which is both free and Open Source. Other great sites and apps similar to WebTTY are Vercel, ngrok, wireport and sshx.