Open Wonderland 0.5 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Development Tools, more precisely IDE. This free software is a product of Open Wonderland Foundation. The following version: 0.5 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
Use Open Wonderland to build your virtual world! Create dynamic learning environments, collaborative business applications, or interactive, multi-user simulations. Start with a blank slate, or modify an existing world. While some types of worlds can be created by end-users or 3D artists, this toolkit is designed primarily for developers familiar with the Java programming language.
You may want to check out more software, such as DWG Open File Tool, AI Open File Tool or C# Open PDF, which might be related to Open Wonderland.