futures-macro is used at run time in 1,853 crates (of which 359 optionally). It is a direct run-time dependency in 5 crates. It's used at build time in 6 crates (of which 1 optionally, ). It's used only as a dev dependency in 243 crates.

Depender (with downloads and own rev deps) futures-macro version
14.4M 3416 futures-util optional =0.3.31
149K 120 futures-test =0.3.31
190 solana-trader-client-rust ^0.3.31
resilientdb_rust_sdk ^0.3
110 supply-chain-trust-example-crate-000073 optional =0.3.31