lz4 — open-source software health

npm · Go · PyPI

88Excellenthealth index

Lossless 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

Custom licenseSep 10, 2026 · metrics 2.10.0

NuGet · PyPI

88Excellenthealth index

ppn-systems/nalix

Nalix — A low-latency binary networking framework for .NET game servers and realtime systems (Native AOT compatible, source generators, binary packet protocol, cross-platform).

C#★ 53Sep 11, 2026

Apache-2.0Sep 11, 2026 · metrics 2.10.0

NuGet · npm

86Excellenthealth index

thomhurst/Dekaf

Taking the Java out of Kafka

C#★ 59Aug 28, 2026

MITAug 28, 2026 · metrics 2.10.0

NuGet

84Excellenthealth index

MessagePack-CSharp/MessagePack-CSharp

Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]

C#★ 6,774Aug 28, 2026

Custom licenseAug 28, 2026 · metrics 2.10.0

crates.io

81Excellenthealth index

KarpelesLab/compcol

Pure-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

MITSep 5, 2026 · metrics 2.10.0

81Excellenthealth index

bodgit/sevenzip

Golang library for dealing with 7-zip archives

Go★ 250Sep 14, 2026

BSD-3-ClauseSep 14, 2026 · metrics 2.10.0

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80Excellenthealth index

lz4/lz4

Extremely Fast Compression algorithm

C★ 12KAug 27, 2026

Custom licenseAug 27, 2026 · metrics 2.10.0

crates.io

78Goodhealth index

PSeitz/lz4_flex

Fastest pure Rust implementation of LZ4 compression/decompression.

Rust★ 615↓ 10.1M/moAug 27, 2026

MITAug 27, 2026 · metrics 2.10.0

78Goodhealth index

minio/minlz

MinLZ is a LZ77 compressor, focused on realtime data compression

Go · Assembly★ 155Sep 6, 2026

Apache-2.0Sep 6, 2026 · metrics 2.10.0

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75Goodhealth index

inikep/lzbench

lzbench is an in-memory benchmark of open-source compressors

C · C++★ 1,084Sep 12, 2026

Custom licenseSep 12, 2026 · metrics 2.10.0

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73Goodhealth index

lhns/fs2-compress

Compression Algorithms for Fs2

Scala★ 46Sep 6, 2026

Apache-2.0Sep 6, 2026 · metrics 2.10.0

crates.io · npm · PyPI

73Goodhealth index

milesgranger/cramjam

Your 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

MITAug 27, 2026 · metrics 2.10.0

crates.io · Go

71Goodhealth index

dupontcyborg/compress-utils

Unified compression & decompression library for C, C++, Go, JavaScript, Python, TypeScript and Rust

C · Rust★ 5↓ 6/moSep 9, 2026

MITSep 9, 2026 · metrics 2.10.0

crates.io

71Goodhealth index

paddor/lz4rip

Fast, memory-safe Rust implementation of LZ4 compression with built-in dictionary training and no-alloc support

Rust★ 11↓ 4,494/moSep 18, 2026

MITSep 18, 2026 · metrics 2.10.0

71Goodhealth index

pierrec/lz4

LZ4 compression and decompression in pure Go

Go · Assembly★ 970Sep 14, 2026

BSD-3-ClauseSep 14, 2026 · metrics 2.10.0

npm · crates.io

69Goodhealth index

antoniomuso/lz4-napi

Fastest lz4 compression library in Node.js, powered by napi-rs and lz4-flex.

JavaScript · Rust · TypeScript★ 73↓ 728.3K/moSep 18, 2026

MITSep 18, 2026 · metrics 2.10.0

PyPI

65Goodhealth index

cgohlke/imagecodecs

Image transformation, compression, and decompression codecs.

Cython · Python★ 187↓ 1.3M/moSep 12, 2026

BSD-3-ClauseSep 12, 2026 · metrics 2.10.0

crates.io

63Moderatehealth index

omnizip/omnizip-rs

Pure-Rust compression codecs (LZMA, ZSTD, Brotli, DEFLATE, bzip2, PPMd) — Rust ports of omnizip's Ruby reference implementations. MIT licensed, cross-verified against the Ruby originals.

Rust★ 0↓ 4,922/moSep 18, 2026

Apache-2.0Sep 18, 2026 · metrics 2.10.0

62Moderatehealth index

mholt/archives

Cross-platform library to create & extract archives, compress & decompress files, and walk virtual file systems across various formats

Go★ 444Sep 15, 2026

MITSep 15, 2026 · metrics 2.10.0

PyPI

62Moderatehealth index

python-lz4/python-lz4

LZ4 bindings for Python

C · Python★ 303↓ 75.2M/moOct 21, 2026

BSD-3-ClauseOct 21, 2026 · metrics 2.10.0

NuGet

56Moderatehealth index

Nanook/GrindCore.net

Compression + Hashing built the System.IO.Compression way.

C#★ 12Aug 24, 2026

MITAug 24, 2026 · metrics 2.10.0

crates.io

56Moderatehealth index

cool-japan/oxiarc

OxiArc - The Oxidized Archiver Pure Rust implementation of archive and compression formats with core algorithms implemented from scratch.

Rust★ 33↓ 23.5K/moOct 20, 2026

Apache-2.0Oct 20, 2026 · metrics 2.10.0

NuGet

54Moderatehealth index

salarcode/Bois

Salar.Bois is a compact, fast and powerful binary serializer for .NET Framework. With Bois you can serialize your existing objects with almost no change.

C#★ 66Oct 21, 2026

MPL-2.0Oct 21, 2026 · metrics 2.10.0

Hex

54Moderatehealth index

whatyouhide/nimble_lz4

LZ4 compression for Elixir using Rust NIFs. 🗜

Elixir · Rust★ 38↓ 2,045/moSep 26, 2026

Apache-2.0Sep 26, 2026 · metrics 2.10.0

51Moderatehealth index

kshishtovsky/horreum

Ultra-fast, zero-allocation, authenticated in-memory & persistent key-value cache in pure Go. mmap arena allocator with no GC, S3-FIFO eviction, AES-256-GCM encryption at rest, LZ4 compression, TCP/QUIC transports, append-only WAL with cold-start replay.

Go★ 0Sep 19, 2026

MITSep 19, 2026 · metrics 2.10.0

NuGet

47Weakhealth index