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#compression (30 Repositories)

Ranked open-source repositories tagged with #compression, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

72.1%

Avg Review Latency

32.4h

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30 repositories tagged #compression

S TierRust 3.3k 5 GFIs

vortex-data/vortex

An extensible, state-of-the-art framework for columnar compression, and the fastest FOSS columnar file format. Formerly at @spiraldb, now an Incubation Stage project at LFAI&Data, part of the Linux Foundation.

62.8%
Merge Rate
-
First Review
55%
1st-Timers
35
Maintainers
A TierPython 211 4 GFIs

Blosc/python-blosc2

A high-performance library for compressed ND arrays and columnar tables, with compute and indexing engines

73.6%
Merge Rate
7h
First Review
80%
1st-Timers
5
Maintainers
A TierC 1.5k

zlib-ng/minizip-ng

Fork of the popular zip manipulation library found in the zlib distribution.

72.7%
Merge Rate
2h
First Review
60%
1st-Timers
10
Maintainers
A TierSwift 1.2k

sarensw/MacPacker

Archive manager and 7zip replacement for macOS. Preview (nested) archives without extracting them. Extract single files.

83.1%
Merge Rate
18h
First Review
25%
1st-Timers
8
Maintainers
A TierPython 13.6k

borgbackup/borg

Deduplicating archiver with compression and authenticated encryption.

85.9%
Merge Rate
20h
First Review
100%
1st-Timers
24
Maintainers
A TierPython 3.9k 4 GFIs

vllm-project/llm-compressor

State-of-the-art LLM compression, built for production inference with vLLM

49.5%
Merge Rate
11h
First Review
54%
1st-Timers
41
Maintainers
A TierPython 75.0k

headroomlabs-ai/headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

66.5%
Merge Rate
-
First Review
62%
1st-Timers
145
Maintainers
A TierC++ 256 1 GFIs

openzim/libzim

Reference implementation of the ZIM specification

79.3%
Merge Rate
13h
First Review
67%
1st-Timers
5
Maintainers
A TierPython 43.2k

deepspeedai/DeepSpeed

DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.

63.5%
Merge Rate
-
First Review
55%
1st-Timers
54
Maintainers
A TierC++ 1.3k

ARM-software/astc-encoder

The Arm ASTC Encoder, a compressor command line tool and codec library for the Adaptive Scalable Texture Compression image format.

92.0%
Merge Rate
5h
First Review
67%
1st-Timers
1
Maintainers
A TierC 2.1k

zlib-ng/zlib-ng

zlib replacement with optimizations for "next generation" systems.

45.2%
Merge Rate
1h
First Review
75%
1st-Timers
9
Maintainers
A TierPython 2.6k

onekey-sec/unblob

Extract files from any kind of container formats

77.1%
Merge Rate
1d
First Review
60%
1st-Timers
3
Maintainers
A TierGo 5.7k

klauspost/compress

Optimized Go Compression Packages

70.7%
Merge Rate
6h
First Review
67%
1st-Timers
9
Maintainers
A TierRust 3.8k 1 GFIs

ouch-org/ouch

Painless compression and decompression in the terminal

61.9%
Merge Rate
2d
First Review
60%
1st-Timers
12
Maintainers
A TierJavaScript 212

Brooooooklyn/snappy

Fastest Snappy compression library in Node.js

96.8%
Merge Rate
3d
First Review
100%
1st-Timers
1
Maintainers
A TierRust 103

PlayForm/Aphrodite

Aphrodite 💋 CCR compression proxy + absorptive preview pipeline for Hermes Agent - headroom-core engine, type-aware classifier, tool relay, ~10 ms end-to-end.

85.3%
Merge Rate
-
First Review
100%
1st-Timers
1
Maintainers
A TierOCOCaml 120

mirage/decompress

Pure OCaml implementation of Zlib.

90.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierPython 1.2k

openvinotoolkit/nncf

Neural Network Compression Framework for enhanced OpenVINO™ inference

66.4%
Merge Rate
-
First Review
50%
1st-Timers
15
Maintainers
A TierC++ 373

trvon/yams

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

56.9%
Merge Rate
1d
First Review
50%
1st-Timers
2
Maintainers
A TierC++ 1.1k

y-scope/clp

Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.

62.2%
Merge Rate
2d
First Review
71%
1st-Timers
14
Maintainers
A TierC++ 887

llnl/zfp

Compressed numerical arrays that support high-speed random access

90.0%
Merge Rate
5h
First Review
100%
1st-Timers
1
Maintainers
B TierRust 129

milesgranger/cramjam

Your go-to for easy access to a plethora of compression algorithms, all neatly bundled in one simple installation.

88.9%
Merge Rate
22h
First Review
100%
1st-Timers
2
Maintainers
A TierTypeScript 103

pubkey/jsonschema-key-compression

Compress json-data based on its json-schema while still having valid json

100.0%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
A TierJavaScript 36.1k 8 GFIs

gchq/CyberChef

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

40.5%
Merge Rate
2d
First Review
35%
1st-Timers
46
Maintainers
A TierJavaScript 541

ooples/token-optimizer-mcp

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

84.6%
Merge Rate
19d
First Review
100%
1st-Timers
3
Maintainers
B TierC++ 224

team-charls/charls

CharLS, a C++ JPEG-LS library implementation

80.0%
Merge Rate
24h
First Review
100%
1st-Timers
2
Maintainers
B TierGo 138

SaveTheRbtz/zstd-seekable-format-go

Seekable ZSTD compression format implemented in Golang.

92.2%
Merge Rate
2d
First Review
100%
1st-Timers
0
Maintainers
B TierRust 2.0k

rustmailer/bichon

Bichon – A lightweight, high-performance Rust email archiver with WebUI

48.4%
Merge Rate
2d
First Review
63%
1st-Timers
22
Maintainers
B TierC 319

pgmoneta/pgmoneta

Backup / restore solution for PostgreSQL

29.5%
Merge Rate
2h
First Review
25%
1st-Timers
17
Maintainers
B TierNINim 283

guzba/zippy

Pure Nim implementation of deflate, zlib, gzip and zip.

66.7%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers