OpenSim (OpenSimulator) is a powerful, open-source virtual reality server that enables you to create your own immersive 3D virtual environments. It’s similar in functionality to Second Life, but designed to be self-hosted and completely customizable. Whether you're experimenting with virtual spaces, developing simulations, or building an online metaverse, it gives you the tools to do it all—free and locally.
OpenSim – A Free Portable Virtual World Server
Written in C#, it runs on top of a pre-configured SQLite database, making it portable and ready to use out of the box. You don’t need to install anything extra to get started. It also supports connections from standard virtual world viewers like Hippo Viewer, enabling you to explore and interact with the 3D environment you create.
Key Features
- Create your own private or public virtual world server
- Compatible with viewers like Hippo Viewer and other Second Life-compatible clients
- Pre-configured with an SQLite database – no installation needed
- Fully portable – can be run from USB flash drives or external drives
- Supports complex environments, 3D avatars, physics, and scripting
Getting Started
To get started using this Portable Virtual World Simulation:
- Download and extract the package.
- Ensure the required port (default: 9000) is open on your network.
- Launch OpenSim using the included executable.
- Connect to your virtual world using a viewer like Hippo Viewer or Firestorm.
Specifications and Downloading
- Author’s Website: Open Simulator Wiki
- Extracted Size: 65 MB
- License: Open Source (BSD License)
- Platform: Microsoft Windows, Linux, macOS (with Mono)
- Rating: 4 Star
- Download: Get the latest version of this Free Portable Virtual World Server HERE
Use Cases
- Educational simulations and virtual classrooms
- Game design and prototype environments
- Role-playing or social environments
- Research and development of VR technologies