ibc-relayer is used at run time in 21 crates (of which 2 optionally). It is a direct run-time dependency in 11 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) ibc-relayer version
2.9K 8 ibc-chain-registry ^0.29.4
210 1 ibc-relayer-rest ^0.29.4
200 1 ibc-relayer-cli ^0.29.4
150 ibc-test-framework ^0.29.4
9 hermes-cosmos-chain-components ^0.29.2
6 hermes-cosmos-test-components ^0.29.2
5 hermes-cosmos-relayer ^0.29.2
3 hermes-cosmos-integration-tests ^0.29.2
hermes-celestia-integration-tests ^0.29.2
hermes-cli ^0.29.2
hermes-cosmos-wasm-relayer ^0.29.2