csv-index is used at run time in 6 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) csv-index version
1.3K xsv ^0.1.5
1.0K 2 csvs_convert ^0.1.6
800 qsv ^0.1
600 xan ^0.1.6