numcodecs is used at run time in 25 crates.

Depender (with downloads and own rev deps) numcodecs version
420 numcodecs-zfp-classic ^0.2
380 numcodecs-zfp ^0.2
300 numcodecs-round ^0.2
280 numcodecs-sz3 ^0.2
250 numcodecs-wasm-logging ^0.2
250 numcodecs-wasm-guest ^0.2
230 numcodecs-swizzle-reshape ^0.2
220 numcodecs-jpeg2000 ^0.2
220 numcodecs-asinh ^0.2
200 numcodecs-fourier-network ^0.2
170 numcodecs-bit-round ^0.2
170 numcodecs-identity ^0.2
170 numcodecs-reinterpret ^0.2
170 numcodecs-zlib ^0.2
170 numcodecs-zstd ^0.2
120 numcodecs-tthresh ^0.2
numcodecs-python ^0.2
numcodecs-linear-quantize ^0.2
numcodecs-random-projection ^0.2
numcodecs-fixed-offset-scale ^0.2
numcodecs-log ^0.2
numcodecs-uniform-noise ^0.2
1 numcodecs-wasm-host ^0.2
numcodecs-pco ^0.2
numcodecs-wasm-host-reproducible ^0.2