secp256k1-sys is used at run time in 1,465 crates (of which 487 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 26 crates.

Number of dependers secp256k1-sys version Downloads/month
448 0.9.2 280K
329 0.8.1 226K
45 0.7.0 1.7K
383 0.6.1 91K
52 0.5.2 36K
170 0.4.2 26K
19 0.3.0 2.7K
45 0.1.2 2.7K
Depender (with downloads and own rev deps) secp256k1-sys version
683K 323 secp256k1 ^0.9.2
13K 1 secp256k1-zkp-sys ^0.9.0
180 4 dlc ^0.6.1