zip32 is used at run time in 22 crates (of which 2 optionally). It is a direct run-time dependency in 8 crates.

Depender (with downloads and own rev deps) zip32 version
10K 9 orchard ^0.1
8.9K 15 zcash_primitives ^0.1.1
6.1K 10 sapling-crypto ^0.1
1.1K 4 zcash_client_backend ^0.1.1
1.1K 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