solana-sha256-hasher is used at run time in 148 crates (of which 23 optionally). It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 4 crates (of which 1 directly).

Depender (with downloads and own rev deps) solana-sha256-hasher version
1.1M 546 solana-program =2.1.0
172K 10 spl-discriminator ^2.1.0
12K 4 solana-merkle-tree =2.1.0
6.3K 31 solana-pubkey =2.1.0
5.5K 23 solana-feature-set =2.1.0
170 solana-nonce ^2.1.0
177K 21 spl-token-metadata-interface dev ^2.1.0
170K 16 spl-token-group-interface dev ^2.1.0
6.0K 1 solana-slot-hashes dev =2.1.0