JanusVR was a company based in San Mateo, California, and Toronto, Ontario, that developed immersive web browsing software.

[2] Named after Janus, the Roman God of passages, JanusVR portrayed web content in multi-dimensional spaces interconnected by portals.

The company shut down in 2019, but released their code as open source in the hopes that the community would continue its development.

[3][4] The founders of JanusVR came from the Dynamic Graphics Project, Computer Science at the University of Toronto.

In August 2015, JanusVR joined the Boost.VC accelerator program, and raised a Seed Series round with Lerer Hippeau Ventures.