There are many alternatives to Second Life for Linux if you are looking for a replacement. The best Linux alternative is OpenSimulator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Second Life and eight of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Second Life are Overte, Resonite, Kitely and Furcadia.
OpenSimulator is an open-source server platform for hosting virtual worlds and the Metaverse. It is largely compatible with the virtual world Second Life but compatibility is not a design goal.
Overte is an open-source 3D client and server solution that allows for vast social & educational environments to be created and lived in while also being shared in real-time with others.
Resonite is a free collaborative social VR & desktop sandbox platform, where users can socialize in a virtual environment and create objects, avatars & worlds together.
Kitely is an enhanced OpenSim metaverse of virtual worlds. Graphically superior, and the world you create is portable and can be backed up locally to your machine!.
Furcadia is the magical world where the animals have learned to speak and walk upon two legs. Create your own customizable avatar and start exploring the friendly online game (MMOG) with rich player-driven content.
The WhiteCore server is an OpenSim/Aurora-Sim derived project with heavy emphasis on supporting all users, increased technology focus, heavy emphasis on working with other developers, whether it be viewer based developers or server based developers, and a set of features around...
Open Cobalt Alpha is the first step in a long term project to make available to all people a free and open source platform for constructing, accessing, and sharing virtual workspaces for research and education.
The Open Simulator (OpenSim) project is developing an open source simulator that is compatible with the Second Life viewer, but opening up innovative applications centering on a virtual three-dimensional world.
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Basically, OpenSimulator is the free, open-source, reverse-engineered version of the Second Life® engine, which you access with the same viewer. As a consequence, you can see exactly the same kind of content — but running from your own server at home, if you wish, for zero hosting costs.