wolfram-expr is used at run time in 7 crates (of which 4 optionally). It is a direct run-time dependency in 5 crates.

Depender (with downloads and own rev deps) wolfram-expr version
150 1 wolfram-library-link ^0.1.0
120 2 wstp ^0.1.4
md2nb ^0.1.1
120 12 shape-core optional ^0.1.4
1 graphics-style optional ^0.1.1