secp256k1-sys is used at run time in 1,505 crates (of which 495 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 27 crates.

Number of dependers secp256k1-sys version Downloads/month
21 0.10.0 29K
462 0.9.2 245K
340 0.8.1 267K
44 0.7.0 1.0K
377 0.6.1 88K
47 0.5.2 25K
178 0.4.2 29K
20 0.3.0 5.5K
43 0.1.2 2.4K
Depender (with downloads and own rev deps) secp256k1-sys version
705K 330 secp256k1 ^0.10.0
14K 1 secp256k1-zkp-sys ^0.9.0
4 dlc ^0.6.1