Recursive is used at run time in 157 crates (of which 28 optionally). It is a direct run-time dependency in 12 crates. It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) Recursive version
2.5M 131 sqlparser optional ^0.1.1
546K 13 polars-plan ^0.1
912K 51 datafusion-common optional ^0.1.1
912K 43 datafusion-expr optional ^0.1.1
911K 4 datafusion-optimizer optional ^0.1.1
908K 10 datafusion-sql optional ^0.1.1
520K 1 datafusion-physical-optimizer optional ^0.1.1
60K 1 polars-stream ^0.1
650 3 databend-common-ast ^0.1.1
370 1 spade-ast-lowering ^0.1.1
120 recursive_matching ^0.1.1
polars-python ^0.1