zip32 is used at run time in 22 crates (of which 1 optionally). It is a direct run-time dependency in 8 crates.

Depender (with downloads and own rev deps) zip32 version
8.9K 9 orchard ^0.1
7.7K 15 zcash_primitives ^0.1.1
5.4K 10 sapling-crypto ^0.1
950 4 zcash_client_backend ^0.1.1
950 3 zcash_keys ^0.1.1
300 3 zcash_transparent ^0.1.1
240 zcash_client_sqlite ^0.1.1
250 1 pczt dev ^0.1.1