sdd is used at run time in 152 crates (of which 20 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 459 crates.

Depender (with downloads and own rev deps) sdd version
3.3M 41 scc ^3.0
600 idr-ebr ^3
420 2 scc2 ^3.0