preftool is used at run time in 6 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) preftool version
2 preftool-clap ^0.2.0
2 preftool-file ^0.2.0
1 preftool-toml ^0.2.0
1 preftool-env ^0.2.0
preftool-app-config ^0.2.0
2 preftool-dirs ^0.2.0
1 preftool-clap-derive dev ^0.2.0
preftool-derive dev ^0.2.0