Client-free remote desktop
Holy Guacamole!

© Photo by Rafael Arizaga on Unsplash
Use Apache Guacamole to connect to remote servers from within a web browser.
Apache Guacamole [1] is billed as a clientless HTML5 web application that you can use to access your remote servers and desktops. It's called clientless, because Guacamole only requires a web browser unlike other remote desktop solutions that require a client to communicate with the server.
Although Guacamole only reached the 1.0 milestone (the latest version is 1.1) in 2019, the project has been in development for about a decade. Despite its low version number, the project has a mature code base, which is malleable enough to fit all kinds of deployments. You can use it in simple standalone local networks and also on enterprise networks where it can integrate with other existing resources to enhance security and user management.
Guacamole supports all the popular remote desktop protocols including VNC, RDP, SSH, and Telnet. The most recent addition to the list is a Kubernetes client that you can use to attach to the console inside a container. In addition to its protocol support, Guacamole has several enterprise integration capabilities, including LDAP authentication, Duo two-factor authentication (2FA), TOTP 2FA, CAS authentication, OpenID Connect authentication, HTTP header authentication, and more.
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