LZ4

LZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per core (>0.15 Bytes/cycle).

Free and open-source software · by Yann Collet · lz4.org

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What LZ4’s own pages say

What it says it doesLZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per core (>0.15 Bytes/cycle). lz4.org
Open sourceYes lz4.org
LicenseLZ4 library is provided as open source software using a BSD license. lz4.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.