tokio-udp is used at run time in 165 crates (of which 19 optionally). It is a direct run-time dependency in 8 crates. It's used only as a dev dependency in 16 crates.

Depender (with downloads and own rev deps) tokio-udp version
950 websocat ^0.1.3
190 gnostr-cat ^0.1.3
100 constellation-server ^0.1
1 susyp2p-mdns ^0.1
daemon-engine ^0.1.3
quicr ^0.1
snail ^0.1.1
tdns-cli ^0.1.5