tonic-openssl is used at run time in 9 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) tonic-openssl version
1.1K lnd-grpc-tonic-client ^0.2.0
120 2 tonic_openssl_lnd ^0.2
100 minknow-api-rust ^0.2
3 lnd_grpc_rust ^0.2