gensym is used at run time in 75 crates (of which 15 optionally). It is a direct run-time dependency in 12 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) gensym version
12K 30 futures-signals ^0.1.0
1.1K libside ^0.1
1.0K 2 picodata-plugin ^0.1.0
850 1 godot-ffi ^0.1.1
400 1 static_str_ops ^0.1
110 comprehensive_s3 ^0.1
crosstrait ^0.1
1 heat-sdk-cli ^0.1.1
hecs-component-provider ^0.1
bittyset ^0.1.1
2 vineyard ^0.1
wasm-init ^0.1