OpenSimWorld Alternatives

Second Life is a virtual reality platform where individuals interact in a virtual world. The software was developed in 2003 by Linden Labs. More than one million people now regularly use the software.

A WebVR experiment from Mozilla Mixed Reality

Open Source

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

Try for free freemium $25.0 / Monthly (Essentials plan)

Create and play in virtual worlds with others

Create and host 3D/VR immersive spaces on the web

OpenSimulator is an open source multi-platform, multi-user 3D application server.

The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.

Open Source

Vircadia is an open-source and decentralized real-time VR creation platform for university, enterprise, social, and OpenSim users.

Open Source free

The multiplatform game creation tools for everyone.

Open Source

Collaborate from anywhere in AR

Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.

FPS game and engine

Create a 3d animated version of yourself

Open decentralized platform for spontaneous joyful virtual experiences.

Open Source freemium €4.0 / Monthly (per simultaneous user)