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Wetty - Terminal over HTTP and HTTPS.
Bastillion - Bastillion is an open-source web-based SSH console that centrally manages administrative access to systems.
SSHy - SSHy is a HTML5 SSHv2 web client implementing E2E encryption that runs well on modern web browsers.
TinyShell - TinyShell is an open source UNIX backdoor.
ttyd - ttyd is a simple command-line tool for sharing terminal over the web.
Onion Terminal - oterm is a web browser unix terminal.