parity-bip39 is used at run time in 476 crates (of which 9 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) parity-bip39 version
442K 467 sp-core ^2.0.1
12K 18 sc-cli ^2.0.1