The Minimal LZMA (minlzma) project aims to provide a minimalistic, cross-platform, highly commented, standards-compliant C library (minlzlib) for decompressing LZMA2-encapsulated compressed data in LZMA format within an XZ container, as can be generated with Python 3.6, 7-zip, and xzutils

Tiny inflate library (inflate, gzip, zlib)

A library for some loosely related Microsoft compression formats, CAB, CHM, HLP, LIT, KWAJ and SZDD.

extract random-positioned data from gzip files with no penalty, including gzip tailing like with 'tail -f' !

mini_gzip - embeddable, minimal, in-memory GZIP API

Intel® Query Processing Library (Intel® QPL)

A dependency-free, single-file FLOSS unrar library

Base Library for Easy Decompression

Zip compression/decompression for the cordova/phonegap platform

LZSS/RLE compression library - for making big things small and then back again, or big things slightly bigger...

Brotli compression format forked to work in ESP32

This project offers a simplified compressor that produces Gzip-compatible output with small resources for microcontrollers and edge computers. He uses the very basic LZ77 compression algorithm and static Deflate Huffman tree encoding to compress / decompress data into Gzip files.

Simplified LZFX-based compression library

The Huffman library is a simple, pure C99 library for encoding and decoding data using a frequency-sorted binary tree.

POWER9 gzip engine documentation and code samples

Single-header LZW (Lempel-Ziv-Welch) C Library, headerless compressor & decompressor (variable code, 9-16 bits)

Crystal bindings for Grok

Elliptic Curve Point compression/decompression for mbedtls

LZ4 Data Compression and Decompression for R

Zelda 64 rom decompressor