keyframe_derive is used at run time in 5 crates (of which 1 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 2 crates.

Depender (with downloads and own rev deps) keyframe_derive version
420 2 rust_pixel ^1.0.0
gdnative_tweener ^1.0.0
blue_engine_utilities optional ^1.0.0
5.4K 40 ggez dev ^1
good-web-game dev ^1.0.0