async-attributes is used at run time in 705 crates (of which 175 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 670 crates (of which 8 directly).

Depender (with downloads and own rev deps) async-attributes version
2.3M 1886 async-std optional ^1.1.2
122K 23 cacache dev ^1.1.2
90K 6 http-cache dev ^1.1.2
63K 15 suppaftp dev ^1.1.2
1.8K 1 demonstrate dev ^1.1
1 samotop-delivery dev ^1.1
amaurymartiny-async-smtp dev ^1.1.1
to-socket-addrs dev ^1.1.2
sqlx-pg-migrate dev ^1.1
1 http-cache-fork dev ^1.1.2