mime_guess2 is used at run time in 95 crates (of which 21 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 36 crates.

Depender (with downloads and own rev deps) mime_guess2 version
142K 121 egui_extras optional ^2
24K 38 re_types ^2.0
retronomicon ^2.0.5