quaternion

13.5K downloads in the last 30 days (451/day), up 4% from the previous period.

135 crates depend on quaternion. Reasonable ecosystem adoption, though not yet a core dependency.

The primary maintainer publishes 157 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

The API has been stable (1.x) for over 11 years with 15 releases. This level of maturity means you can depend on it without worrying about breaking changes.

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

At 7KB, quaternion is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include skeletal_animation, camera_controllers, piston3d-cam, collada, num-quaternion. When high-quality crates choose quaternion, it's a strong quality signal.