made by Wind River Systems uses zlib to compress boot ROM images. , raw zlib compression program, part of qpdf The MySQL RDBMS uses ZLib LZ77 for compression in InnoDB Tables zlib is also used in many embedded devices, such as the Apple iPhone and Sony PlayStation 3, because the code is portable, liberally licensed, and has a relatively small memory footprint. Forks A commonly used library built on an old codebase, zlib is also frequently forked by third-parties that claim improvements to this library: Intel has a high-performance fork of zlib. CloudFlare maintains a high-performance fork with "massive" improvements. Zlib-ng is a zlib replacement fork with optimizations for "next generation" systems. See also DEFLATE gzip LZ77 and LZ78 § LZ77 Zip (file format) zlib License Zopfli References External links — ZLIB Compressed Data Format — DEFLATE Compressed Data Format —GZIP file format 1995 software C (programming language) libraries Free computer libraries Free data compression software Free software programmed in C Software using the zlib license