halo2-axiom is used at run time in 10 crates (of which 9 optionally). It is a direct run-time dependency in 1 crate. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) halo2-axiom version
6 halo2-base optional ^0.4
700 1 poseidon-primitives dev ^0