OpenSpace3D Alternatives (January 2026)

OpenSpace3D is a free and open-source platform, designed to create virtual and augmented-reality applications or games.

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1.
Godot Engine - Free and open source 2D and 3D game engine
https://godotengin
.org/

Godot provides a huge set of common tools, so you can just focus on making your game without reinventing the wheel.

2.
Wikitude Augmented Reality: the World's Leading Cross-Platform AR SDK
https://www.wikitud
.com/

Wikitude Augmented Reality empowers your iOS, Android & Smart Glasses apps with Image & Object Tracking, Instant tracking (SLAM), Geo AR, and more.

3.
Spatial - Create Immersive UGC, Virtual Classrooms, Experiential Marketing
https://www.spatia
.io/

Join 2M+ creators & brands building and publishing social games, brand experiences, virtual learning, galleries, onboarding, & training. No-code + Unity-based tools. Web (No Download Required), Mobile, VR.

4.
Sweet Home 3D - Draw floor plans and arrange furniture freely
http://www.sweethome3
.com/

Free interior design software. Draw the plan of your home or office, test furniture layouts and visit the results in 3D.

5.
Free 3D & 360 Virtual Tour Software & Street View Studio
https://panoe
.com/

Panoee is the free virtual tour software for creating immersive 3D 360 tours in real estate, hospitality, tourism, architecture, education, museums, and art galleries.

6.
Cluetivity | The Real World Gaming Platform
https://www.cluetivit
.com/business.php/

Create Outdoor, Mobile and Online Escape Games with the most powerful Augmented Reality Games Software for Leasure, Tourism, Events and more.

9.
Presenting Amazon Sumerian: An easy way to create VR, AR, and 3D experiences | AWS News Blog
https://aws.amazo
.com/blogs/aws/launch-presenting-amazon-sumerian/

Update May 18, 2022 – Amazon Sumerian is no longer available to new customers. Existing customers’ Sumerian data will be available until February 21, 2023. We recommend that these customers transition their existing scenes to Babylon.js where they can be published using AWS Amplify. For more information about Amazon Sumerian and tutorials on transitioning your existing […]