adler is used at run time in 684 crates (of which 133 optionally). It is a direct run-time dependency in 8 crates. It's used at build time in 93 crates (of which 9 optionally, ). It's used only as a dev dependency in 134 crates (of which 2 directly).

Depender (with downloads and own rev deps) adler version
1.2K intelligit ^1.0.2
340 cargo-attribution ^1.0.2
rpfixer ^1.0.2
1 pksc_core ^1.0.2
zawk ^1
rxsync ^1.0.2
emote-psb ^1.0.1
140 1 nod optional ^1.0
6.2M 11 simd-adler32 dev ^1.0.2
420 1 pixelmosh dev ^1