Compression GitHub Repositories (2026) · Open Source Tools

Compress 🗜️

Fast lossless data compression in Go

Measure token savings per AI coding agent, optimize context, and share a live local knowledge graph across 16 CLI clients.

Persistent memory for LLMs and apps. Content-addressed storage with dedupe, compression, full-text and vector search.

A lightweight runtime CSS/JavaScript file minification, combination, compression & management library for ASP.Net Core

A safetensors extension to efficiently store sparse quantized tensors on disk

Process millions of records across thousands of workers.

Smart Tree: not just a tree, a philosophy. A context-aware, AI-crafted replacement for 20+ tools with MEM8 quantum compression, semantic search, AST-smart editing, and partnership memory. Crafted with care by human + AI—accept no knock-offs.

Reference implementation of the ZIM specification

Python bindings for the LZMA library

Fast lossless data compression in C++

CharLS, a C++ JPEG-LS library implementation

Limited Error Raster Compression

Rust libraries and programs focused on succinct data structures

Library and binaries for the reading, creating, and modification of SquashFS file systems

Fast lossless data compression in Java

Fast, secure, RFC-compliant WebSocket implementation for Rust, supporting compression

Private, provider-neutral context compression for LLMs. Reversibly compress schemas and logs inside your perimeter with zero third-party calls.

Fast DEFLATE, zlib and gzip decompression in pure Rust. Supports zero-copy streaming and no-std/no-alloc.

Zstandard (RFC 8878) rewritten in 100% safe Rust, byte-identical where applicable, but with a Rust-native API, SIMD, compression + decompression, no_std and modern parallelism.