libmimalloc-sys is used at run time in 506 crates (of which 198 optionally). It is a direct run-time dependency in 13 crates. It's used only as a dev dependency in 82 crates.

Depender (with downloads and own rev deps) libmimalloc-sys version
2.8M 464 mimalloc ^0.1.44
40K 7 parity-util-mem optional ^0.1.14
6.4K pyembed optional ^0.1.28
4.3K lean-sys optional ^0.1.44
1.9K 30 tetsy-util-mem optional ^0.1.14
baz-difftastic =0.1.24
1 difftastic-lib =0.1.24
mimalloc2 ^0.1
3 brk_alloc ^0.1.44
fgumi optional ^0.1.44
pjson-rs optional ^0.1
sedona-cli optional ^0.1
tg-geom optional ^0.1