Deflate64 is used at run time in 244 crates (of which 51 optionally). It is a direct run-time dependency in 3 crates. It's used at build time in 41 crates (of which 13 optionally, ). It's used only as a dev dependency in 8 crates.

Depender (with downloads and own rev deps) Deflate64 version
2.8M 165 async-compression optional ^0.1.5
2.8M 1006 zip optional ^0.1.9
19K 7 rc-zip optional ^0.1.7