secp256k1-sys is used at run time in 1,853 crates (of which 555 optionally). It is a direct run-time dependency in 4 crates. It's used only as a dev dependency in 38 crates.

Number of dependers secp256k1-sys version Downloads/month
378 0.10.1 221K
488 0.9.2 336K
407 0.8.1 184K
44 0.7.0 1.1K
283 0.6.1 62K
57 0.5.2 25K
176 0.4.2 29K
24 0.3.0 1.6K
34 0.1.2 1.9K
Depender (with downloads and own rev deps) secp256k1-sys version
877K 376 secp256k1 ^0.10.0
8.0K 1 secp256k1-zkp-sys ^0.10.0
310 6 dlc ^0.10.0
1 koibumi-secp256k1 ^0.10.0