Computus is used at run time in 10 crates. It is a direct run-time dependency in 7 crates.

Depender (with downloads and own rev deps) Computus version
110 business-days ^1
1 cal-calc ^1.0
usec ^1.0.0
holiday_de ^1.0.0
bankholidays ^1.0.0
3 finql ^1.0
holiday_cz ^1.0