custom_derive is used at run time in 500 crates (of which 72 optionally). It is a direct run-time dependency in 28 crates. It's used only as a dev dependency in 39 crates (of which 7 directly).

Depender (with downloads and own rev deps) custom_derive version
2.6M 62 conv ^0.1.5
19K 110 bio ^0.1
5.5K 60 rust-htslib ^0.1
2.8K 8 uinput ^0.1
1.1K 3 ntp ^0.1.5
250 uinput-tokio ^0.1
140 5 nippy ^0.1
extended-htslib ^0.1
4 pnets ^0.1
lamellar ^0.1.7
wordletron ^0.1.7
pumpkin ^0.1
4 smithy_types ^0.1.7
csv-sanity ^0.1.7
cueball-dns-resolver ^0.1.7
unseemly ^0.1.7
extfsm ~0.1
asciii ^0.1
sentry_rocket ^0.1.7
saleae ^0.1.7
hprose ^0.1
rust_md5 ^0.1.5
rust_md5_updated ^0.1.5
1 broker-ntp ^0.1.5
domcom ^0.1.7
ardop_interface ^0.1.7
rust-bio-tools ^0.1
1 rustix-bl ^0.1
1.3M 235 enum_dispatch dev =0.1.7
32K 25 newtype_derive dev ^0.1.1
9.4K 14 enum_derive dev ^0.1.1
error_derive dev ^0.1.1
parse-macros dev ^0.1.4
3 parse-generics-poc dev ^0.1.4
edyn dev =0.1.7