xkeysym is used at run time in 626 crates (of which 603 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 118 crates.

Depender (with downloads and own rev deps) xkeysym version
349K 24 smithay-client-toolkit ^0.2.0
146K 2 xkbcommon-dl ^0.2.0
34K 25 xkbcommon ^0.2.0
4.3K 31 enigo ^0.2
wmfocus ^0.2.0