secp256k1-sys is used at run time in 2,179 crates (of which 640 optionally). It is a direct run-time dependency in 6 crates. It's used only as a dev dependency in 62 crates.

Number of dependers secp256k1-sys version Downloads/month
625 0.10.1 454K
540 0.9.2 234K
482 0.8.1 222K
44 0.7.0 3.1K
261 0.6.1 39K
54 0.5.2 13K
177 0.4.2 32K
23 0.3.0 2.3K
35 0.1.2 6.1K
Depender (with downloads and own rev deps) secp256k1-sys version
1.0M 413 secp256k1 ^0.10.0
5.8K 1 secp256k1-zkp-sys ^0.10.0
180 8 dlc ^0.10.0
180 1 ark-secp256k1-zkp-sys ^0.9.0
1 koibumi-secp256k1 ^0.10.0
2 ddk-dlc ^0.10.0