RcBox is used at run time in 53 crates (of which 5 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) RcBox version
12K 3 teloxide-core ^1.1.1
500 tg-flows ^1.2.0
3 cyclonedds-rs ^1.2