Top 3 Rust Steamvr Projects

ALVR

280 4,734 9.5 Rust

Stream VR games from your PC to your headset via Wi-Fi

Project mention: Valve Launches Official Steam Link PC VR Streaming App on Quest | news.ycombinator.com | 2023-12-01

https://github.com/alvr-org/alvr
They also achieve very low latency, I didn't follow every single optimization they added but it basically boils down to a few encoding tricks (better image in the center, accept blurriness in the peripheral vision), good network infrastructure, and hardware decoding / encoding being really fast.

SlimeVR-Rust

1 64 3.3 Rust

🦀 + SlimeVR = 💖

Project mention: Espressif advances with Rust – 30-06-2023 | news.ycombinator.com | 2023-07-01

Afaik there while there are some OSS projects they aren't necessarily mature.
The no_std hal is still a bit of a moving target so it's not as beginner friendly, the most mature here seems to be the SlimeVR firmware: https://github.com/SlimeVR/SlimeVR-Rust/tree/main/firmware
For std hal there are a few more, OFMon being a good one: https://github.com/arashsm79/OFMon

WorkOS

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The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Lighthouse

5 39 3.2 Rust

Virtual reality basestation power management in Rust (by ShayBox)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).