Write16 is used at run time in 29,180 crates (of which 3,106 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 845 crates (of which 211 optionally, ). It's used only as a dev dependency in 1,440 crates.

Depender (with downloads and own rev deps) Write16 version
10.9M 14 icu_normalizer ^1.0.0