solana-stake-interface is used at run time in 110 crates (of which 6 optionally). It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 13 crates.

Depender (with downloads and own rev deps) solana-stake-interface version
345K 602 solana-program ^1.2.1
139K 15 solana-config-program ^1.2.1
128K 22 solana-sysvar ^1.2.1
41K 28 solana-stake-program ^1.2.1
2.2K 4 litesvm ^1.2.1
1.7K 6 mollusk-svm ^1.0
550 2 mollusk-svm-fuzz-fixture ^1.0
110 spherenet-sysvar ^1.2.1