tabbycat is used at run time in 8 crates (of which 5 optionally). It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) tabbycat version
15K 4 halo2_proofs optional ^0.1
1 mady_macro_core ^0.1
1 zkdoc_sdk optional ^0.1
halo2-core optional ^0.1