npm96Exceptionalhealth index
JavaScript★ 228↓ 3.6M/moAug 27, 2026
—94Exceptionalhealth index
C★ 3,619Sep 19, 2026
npm90Excellenthealth index
TypeScript · C++★ 389↓ 775.2K/moSep 9, 2026
npm · Go · PyPI88Excellenthealth index

hellobertrand/zxcLossless compression C library built for ultra-fast decode. Faster than LZ4 (40-75%+ on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.
C★ 461↓ 500/moSep 10, 2026
Go87Excellenthealth index
Go · Assembly★ 5,616Aug 28, 2026
crates.io86Excellenthealth index

ChanTsune/Portable-Network-ArchivePNA (Portable Network Archive) is a highly scalable archive format that can be compressed, encrypted, and split. Also, its data structure is inspired by the PNG data structure.
Rust★ 18↓ 3,174/moSep 5, 2026
PyPI · crates.io86Excellenthealth index

databento/dbnDatabento Binary Encoding (DBN) - Fast message encoding and storage format for market data
Rust · Python★ 170↓ 1.7M/moSep 5, 2026
NuGet · npm86Excellenthealth index
C#★ 59Aug 28, 2026
crates.io84Excellenthealth index

structured-world/structured-zstdPure Rust Zstandard (zstd) compression library and CLI: drop-in libzstd replacement with a C ABI, levels 1-22, streaming, dictionaries, long-distance matching, SIMD, no_std and WebAssembly. No C, no FFI, no cmake.
Rust★ 12↓ 18K/moOct 20, 2026
RubyGems83Excellenthealth index
C · C++★ 85Sep 17, 2026
PyPI · npm · crates.io83Excellenthealth index
Rust · Python★ 76↓ 14.5K/moSep 15, 2026
crates.io · npm83Excellenthealth index

paddor/zripFast, memory-safe Rust zstd codec with all-level decode, -8..4 encode, and dictionary training.
Rust★ 103↓ 102.7K/moSep 15, 2026
crates.io81Excellenthealth index

KarpelesLab/compcolPure-Rust, no_std collection of 30+ compression/decompression codecs (deflate, gzip, zlib, zstd, brotli, lzma/xz, lz4, bzip2, RAR, StuffIt, LHA, ARC, and more) behind one uniform streaming trait — each gated by its own Cargo feature. 100% safe (forbid(unsafe_code)), zero runtime deps.
Rust★ 10↓ 7,358/moSep 5, 2026
Go81Excellenthealth index
Go★ 250Sep 14, 2026
Go80Excellenthealth index
Go★ 140Oct 4, 2026
crates.io80Excellenthealth index
Rust★ 655↓ 54.2M/moSep 17, 2026
PyPI · crates.io80Excellenthealth index
C · Python★ 640↓ 172M/moSep 12, 2026
crates.io80Excellenthealth index
Rust★ 283↓ 10.3K/moOct 21, 2026
TypeScript · C++★ 28↓ 586.6K/moSep 10, 2026
JavaScript · C++ · Shell★ 82↓ 7.4M/moAug 27, 2026
crates.io77Goodhealth index
Rust★ 446↓ 4.8M/moAug 27, 2026

inikep/lzbenchlzbench is an in-memory benchmark of open-source compressors
C · C++★ 1,084Sep 12, 2026

Rogdham/pyzstdPython bindings to Zstandard (zstd) compression library, the API style is similar to Python's bz2/lzma/zlib modules.
Python★ 47↓ 5.6M/moOct 19, 2026
crates.io · PyPI73Goodhealth index

abyo-software/s4GPU-accelerated transparent compression S3-compatible storage gateway. Drop-in replacement for AWS S3 endpoints; cuts your S3 bill 50-80% with no app changes (Rust, nvCOMP, zstd).
Rust★ 158↓ 315/moSep 18, 2026
Scala★ 46Sep 6, 2026
crates.io · npm · PyPI73Goodhealth index

milesgranger/cramjamYour go-to for easy access to a plethora of compression algorithms, all neatly bundled in one simple installation.
Rust · Python★ 126↓ 14/moAug 27, 2026
PyPI · crates.io71Goodhealth index

barakugav/jixMulti-dimensional array library with block-compressed storage and lazy-evaluated operations
Rust · Python★ 4↓ 3,985/moSep 15, 2026
crates.io · Go71Goodhealth index
C · Rust★ 5↓ 6/moSep 9, 2026
npm · PyPI71Goodhealth index
C★ 199Sep 19, 2026

mhx/dwarfsA fast high-compression read-only file system for Linux, FreeBSD, macOS and Windows
C++ · C★ 2,600Sep 9, 2026