Butterfly is a xterm compatible terminal that runs in your browser.

Features

* xterm compatible (support for a lot of unused features)
* Native browser scroll and search
* Theming in css/sass (18 preset themes) endless possibilities
* HTML in your terminal, cat images and use <table>
* Multiple sessions support
* Secure authentication with X509 certificates
* 16,777,216 colors support
* Keyboard text selection
* Desktop notifications on terminal output
* Geolocation from browser
* May work on firefox too

WWW: https://pypi.org/project/butterfly/