The best SSH Client alternative to Apache Guacamole is Vinagre, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Apache Guacamole and four of them are SSH Clients so hopefully you can find a suitable replacement. Other interesting SSH Client alternatives to Apache Guacamole are Bastillion, WebSSH and Rabbit Remote Control.
Apache Guacamole alternatives are mainly SSH Clients, but if you're looking for
Remote Desktop Tools or Terminal Emulators you can filter on that. Other popular filters include
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EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Apache Guacamole.