FlagSet is used at run time in 184 crates (of which 31 optionally). It is a direct run-time dependency in 18 crates. It's used at build time in 3 crates (of which 3 optionally, ). It's used only as a dev dependency in 8 crates.

Depender (with downloads and own rev deps) FlagSet version
3.4M 71 der optional ^0.4.3
55K 31 opendal ^0.4
42K 4 wasm-smith ^0.4
650 datamatrix ^0.4
500 3 stardust-xr-fusion ^0.4.3
350 pyodide-webassembly-runtime-layer ^0.4.5
100 zxing-cpp ^0.4.4
1 openrgb ^0.4.3
transvoxel ^0.4
3 rrm_locals ^0.4.3
1 rrm_scrap ^0.4.3
simple-irc-server ^0.4
1 diskio ^0.4.3
1 manas_repo_opendal ^0.4.3
5 fervid_core ^0.4.3
2 fervid_codegen ^0.4.3
2 manas_server ^0.4.3
230 3 malwaredb-types optional ^0.4.5