boring2 is used at run time in 14 crates (of which 7 optionally). It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) boring2 version
7.3K 10 rquest ^4.15.11
6.6K 3 tokio-boring2 ^4.15.11
1 axum-server2 optional ^4
xkit optional ^4