secp256k1-sys is used at run time in 2,027 crates (of which 597 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 55 crates.

Number of dependers secp256k1-sys version Downloads/month
534 0.10.1 452K
501 0.9.2 271K
450 0.8.1 170K
44 0.7.0 2.7K
263 0.6.1 55K
56 0.5.2 15K
172 0.4.2 36K
27 0.3.0 2.9K
35 0.1.2 4.1K
Depender (with downloads and own rev deps) secp256k1-sys version
1.0M 394 secp256k1 ^0.10.0
7.2K 1 secp256k1-zkp-sys ^0.10.0
130 8 dlc ^0.10.0
1 koibumi-secp256k1 ^0.10.0
2 ddk-dlc ^0.10.0