yastl is used at run time in 54 crates (of which 7 optionally). It is a direct run-time dependency in 5 crates.

Depender (with downloads and own rev deps) yastl version
18K 4 fvm ^0.1.2
11K 2 ec-gpu-gen ^0.1.2
9.1K 5 storage-proofs-porep ^0.1.2
2 cess-sp-porep ^0.1.2
rslint_cli ^0.1