xkeysym is used at run time in 1,164 crates (of which 1,129 optionally). It is a direct run-time dependency in 7 crates. It's used only as a dev dependency in 269 crates.

Depender (with downloads and own rev deps) xkeysym version
1.8M 31 smithay-client-toolkit ^0.2.0
828K 7 xkbcommon-dl ^0.2.0
73K 28 xkbcommon ^0.2.0
12K 47 enigo ^0.2
410 xkbcommon-rs ^0.2.1
200 librush ^0.2.1
wmfocus ^0.2.0