secp256k1-sys is used at run time in 1,933 crates (of which 572 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 45 crates.

Number of dependers secp256k1-sys version Downloads/month
500 0.10.1 301K
515 0.9.2 193K
345 0.8.1 102K
44 0.7.0 2.4K
268 0.6.1 32K
58 0.5.2 14K
186 0.4.2 22K
28 0.3.0 2.1K
34 0.1.2 2.0K
Depender (with downloads and own rev deps) secp256k1-sys version
695K 383 secp256k1 ^0.10.0
4.4K 1 secp256k1-zkp-sys ^0.10.0
210 8 dlc ^0.10.0
1 koibumi-secp256k1 ^0.10.0
2 ddk-dlc ^0.10.0