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

VR for Clinical Reasoning

An update from the Institute of Cardiovascular Science on extending their VheaRts application to support clinical scenario simulation for training, with Ubiq as the cross-platform multi-user backend.

Posted April 19, 2024 by Endrit Pajaziti ‐ 4 min read

Local Deployments with Docker

We've recently introduced containers, which package up the server for each release.

Posted February 20, 2024 by Sebastian Friston ‐ 4 min read

Single Actor, Multiple Roles

Discover how one actor can jump among multiple avatars in the virtual environment to enhance social presence.

Posted January 5, 2024 by Jingyi Zhang ‐ 3 min read

Latest Publications

Supporting Co-Presence in Populated Virtual Environments by Actor Takeover of Animated Characters

Published October 16, 2023 in 2023 IEEE International Symposium on Mixed and Augmented Reality (ISMAR) by Jingyi Zhang, Klara Brandstätter, Anthony Steed

Dialogues For One: Single-User Content Creation Using Immersive Record and Replay

Published October 11, 2023 in VRST '23: Proceedings of the 29th ACM Symposium on Virtual Reality Software and Technology by Klara Brandstätter, Anthony Steed