solana-signature is used at run time in 62 crates (of which 13 optionally). It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) solana-signature version
131K 622 solana-sdk optional =2.1.2
16K 3 solana-transaction-status-client-types =2.1.2
250 2 solana-keypair ^2.1.0
130 2 solana-signer ^2.1.0
110 solana-presigner ^2.1.0
130 solana-transaction-context optional ^2.1.0