Ubiq

A Unity networking library for research, teaching and development, maintained by the Virtual Environments and Computer Graphics group at University College London.

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100% free and open source, published under an Apache 2.0 license.

Networking 🗲

Networking features include message passing, room management, rendezvous and matchmaking, object spawning, shared binary blobs, and voice chat.

Cross-Compatible 🔌

Ubiq works across Windows, Linux, Android, macOS, and JavaScript running in the browser. Developers may utilise any XR toolkit for advanced functionality.

GDPR-Safe 🔒

Ubiq does not rely on any third-party services, making it GDPR-safe for your experimental data.

Self-contained 📦

Ubiq relies on WebRTC for voice and video chat. The repository includes binaries for Windows, Linux, Android and macOS, so you do not need to download anything else.

Built with Unity 🖥️

Easily customize your collaborative XR experiences using the popular open-source game engine by building on our lightweight XR interaction examples.

Logging and Analytics 📈

Draw on modular extensions of Ubiq to integrate networked recording and playback, as well as real-time log data such as proxemics.

Partners of Ubiq

🚀

Build your networked XR
experience your way!

Get started here and use Ubiq's pre-built rooms right out of the box.

Latest Blog Posts

Ubiq and Ubiq-Genie Tutorial at IEEE VR 2026

Learn how to build your own social XR systems using Ubiq and then integrate AI systems with Ubiq-Genie at the IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR) 2026!

Posted January 5, 2026 by Anthony Steed, Nels Numan, Ruijun (Phoenix) Sun, Daniele Giunchi ‐ 4 min read

Ubiq Tutorial at IEEE VR 2025

Learn how to build your own social extended virtual reality with Ubiq at the IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR) 2025!

Posted March 5, 2025 by Anthony Steed, Ben Congdon, Jingyi Zhang, Ruijun (Phoenix) Sun ‐ 4 min read

Meta Avatars in Ubiq

The Meta Avatars also work in Ubiq! Check out this very quick how-to guide.

Posted February 6, 2025 by Klara Brandstätter ‐ 3 min read

Latest Publications

Do You See What I See? Bring Live Pedestrians into an Outdoor Collaborative Mixed Reality Experience

Published September 27, 2025 in UIST '25: Proceedings of the 38th Annual ACM Symposium on User Interface Software and Technology by Jingyi Zhang, Ziwen Lu, Changrui Zhu, Simon Julier, Anthony Steed

CoCreatAR: Enhancing Authoring of Outdoor Augmented Reality Experiences Through Asymmetric Collaboration

Published April 26, 2025 in CHI '25: Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems by Nels Numan, Gabriel Brostow, Suhyun Park, Simon Julier, Anthony Steed, Jessica Van Brummelen

PaintBranch: Asynchronous Collaborative Art in Virtual Reality

Published April 25, 2025 in 2025 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW) by Ana David, Daniele Giunchi, Stuart James, Anthony Steed, Augusto Esteves