Showing 1271 open source projects for "compression"

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  • 1
    compression

    compression

    Node.js compression middleware

    compression is a Node.js middleware for Express applications that enables HTTP response compression, improving the performance of web applications by reducing the size of the response body.
    Downloads: 8 This Week
    Last Update:
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  • 2
    MCP Image Compression

    MCP Image Compression

    A high-performance image compression microservice based on MCP

    The MCP Image Compression server is a high-performance microservice based on the Model Context Protocol architecture. It focuses on providing fast and high-quality image compression capabilities to help developers optimize image resources for websites and applications, improving loading speed and user experience. ​
    Downloads: 1 This Week
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  • 3
    Zstandard

    Zstandard

    Zstandard - Fast real-time compression algorithm

    Zstandard is a fast compression algorithm, providing high compression ratios. It also offers a special mode for small data, called dictionary compression. The reference library offers a very wide range of speed / compression trade-off, and is backed by an extremely fast decoder (see benchmarks below). Zstandard library is provided as open source software using a BSD license.
    Downloads: 79 This Week
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  • 4
    LZ4

    LZ4

    Extremely fast compression algorithm

    LZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per core (>0.15 Bytes/cycle). It features an extremely fast decoder, with speed in multiple GB/s per core (~1 Byte/cycle). A high compression derivative, called LZ4_HC, is available, trading customizable CPU time for compression ratio. LZ4 library is provided as open-source software using a BSD license.
    Downloads: 306 This Week
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  • 5
    Brotli

    Brotli

    Brotli compression format

    ...This happens when "one-shot" decoding API is used (or input chunk for streaming API is not limited), input size (chunk size) is larger than 2GiB, and input contains uncompressed blocks. After the overflow happens, memcpy is invoked with a gigantic num value, that will likely cause the crash. Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression. The specification of the Brotli Compressed Data Format is defined in RFC 7932. ...
    Downloads: 41 This Week
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  • 6
    compress

    compress

    Optimized Go Compression Packages

    This package provides various compression algorithms. zstandard compression and decompression in pure Go. S2 is a high-performance replacement for Snappy. Optimized deflate packages which can be used as a dropin replacement for gzip, zip and zlib. snappy is a drop-in replacement for github.com/golang/snappy offering better compression and concurrent streams. huff0 and FSE implementations for raw entropy encoding. gzhttp Provides client and server wrappers for handling gzipped requests efficiently. pgzip is a separate package that provides a very fast parallel gzip implementation. ...
    Downloads: 104 This Week
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  • 7
    DwarFS

    DwarFS

    A fast high compression read-only file system for Linux, Windows

    The Deduplicating Warp-speed Advanced Read-only File System. A fast high compression read-only file system for Linux and Windows. DwarFS is a read-only file system with a focus on achieving very high compression ratios in particular for very redundant data. This probably doesn't sound very exciting, because if it's redundant, it should compress well. However, I found that other read-only, compressed file systems don't do a very good job at making use of this redundancy. ...
    Downloads: 139 This Week
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  • 8
    Zippy

    Zippy

    Pure Nim implementation of deflate, zlib, gzip and zip

    Zippy is a pure Nim implementation of DEFLATE, ZLIB, GZIP, and ZIP data compression formats, aiming to be small, performant, and dependency-free.
    Downloads: 6 This Week
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  • 9
    XZ Utils

    XZ Utils

    Open-source compression utility and library

    xz is a widely used open-source compression utility and library that implements the high-ratio LZMA and LZMA2 compression algorithms. It provides both command-line tools and a reusable C library, enabling developers and system administrators to compress and decompress files efficiently across many environments. The project is known for delivering strong compression performance while maintaining reasonable memory usage, making it suitable for software distribution, backups, and archival workflows. xz is commonly included in Unix-like operating systems and is often used as a standard packaging format in Linux ecosystems. ...
    Downloads: 8 This Week
    Last Update:
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  • 10
    Compressor.js

    Compressor.js

    JavaScript image compressor

    ...Because compression happens in the browser, users upload smaller images without sacrificing responsiveness or relying on server resources, which is especially useful for mobile users or limited-bandwidth environments. The library supports modern browsers and automatically handles orientation based on EXIF metadata, ensuring images appear correctly after compression.
    Downloads: 6 This Week
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  • 11
    Snappy

    Snappy

    A fast compressor/decompressor

    Snappy is a compression/decompression library. It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high speeds and reasonable compression. For instance, compared to the fastest mode of zlib, Snappy is an order of magnitude faster for most inputs, but the resulting compressed files are anywhere from 20% to 100% bigger.
    Downloads: 2 This Week
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  • 12
    Zip.js

    Zip.js

    JavaScript library to zip and unzip files

    Zip.js is a JavaScript library for creating, reading, and editing ZIP files directly in the browser or in Node.js environments, supporting various compression methods and encryption.
    Downloads: 12 This Week
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  • 13
    WAL-G

    WAL-G

    Archival and Restoration for databases in the Cloud

    ...To configure the compression method used for backups. Possible options are lz4, lzma, zstd, brotli. The default method is lz4. LZ4 is the fastest method, but the compression ratio is bad. LZMA is way much slower. However, it compresses backups about 6 times better than LZ4. Brotli and zstd are a good trade-off between speed and compression ratio, which is about 3 times better than LZ4.
    Downloads: 27 This Week
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  • 14
    rust-rocksdb

    rust-rocksdb

    Rust wrapper for rocksdb

    Binding is statically linked with a specific version of RocksDB. If you want to build it yourself, make sure you've also cloned the RocksDB and compression submodules. By default, support for the Snappy, LZ4, Zstd, Zlib, and Bzip2 compression is enabled through crate features. If support for all of these compression algorithms is not needed, default features can be disabled and specific compression algorithms can be enabled. The underlying RocksDB does allow column families to be created and dropped from multiple threads concurrently. ...
    Downloads: 2 This Week
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  • 15
    Borg

    Borg

    Deduplicating archiver with compression and encryption

    BorgBackup or Borg for short is a deduplicating backup program that also supports compression and authenticated encryption. It provides a secure and efficient way to backup data, and is ideal for daily backups and backups to not fully tested targets.
    Downloads: 10 This Week
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  • 16
    CyberChef

    CyberChef

    A web app for encryption, encoding, compression and data analysis

    CyberChef, developed by GCHQ, is a versatile web application dubbed the "Cyber Swiss Army Knife." It enables users to perform a wide array of operations on data, including encryption, encoding, compression, and analysis, all within a browser interface.​
    Downloads: 60 This Week
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  • 17
    DeepSpeed

    DeepSpeed

    Deep learning optimization library: makes distributed training easy

    ...Achieve excellent system throughput and efficiently scale to thousands of GPUs 3. Train/Inference on resource constrained GPU systems 4. Achieve unprecedented low latency and high throughput for inference 5. Achieve extreme compression for an unparalleled inference latency and model size reduction with low costs DeepSpeed offers a confluence of system innovations, that has made large scale DL training effective, and efficient, greatly improved ease of use, and redefined the DL training landscape in terms of scale that is possible. These innovations such as ZeRO, 3D-Parallelism, DeepSpeed-MoE, ZeRO-Infinity, etc. fall under the training pillar.
    Downloads: 5 This Week
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  • 18
    Vortex

    Vortex

    The LLVM of columnar file formats

    Vortex is a high-performance toolkit designed for working with compressed Apache Arrow arrays, providing functionality for in-memory, on-disk, and over-the-wire data handling. It aims to be an advanced successor to Apache Parquet, offering dramatically faster random access reads and scans, while maintaining similar compression ratios. Vortex's modular design allows for extensibility, enabling developers to implement custom encodings for efficient data management, particularly for large-scale columnar datasets.
    Downloads: 22 This Week
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  • 19
    NNCF

    NNCF

    Neural Network Compression Framework for enhanced OpenVINO

    NNCF (Neural Network Compression Framework) is an optimization toolkit for deep learning models, designed to apply quantization, pruning, and other techniques to improve inference efficiency.
    Downloads: 5 This Week
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  • 20
    SysDVR

    SysDVR

    Stream switch games to your PC via USB or network

    ...Stream and switch games to your PC via USB or network. Cross-platform, can stream to Windows, Mac and Linux. Stream via USB or Wifi. Video quality is fixed to 720p @ 30fps with h264 compression, this is a hardware limit. Audio quality is fixed to 16bit PCM @ 48kHz stereo. Not compressed. Very low latency with an optimal setup, most games are playable.
    Downloads: 114 This Week
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  • 21
    Wan2.2

    Wan2.2

    Wan2.2: Open and Advanced Large-Scale Video Generative Model

    ...The model is trained on significantly larger datasets than its predecessor, greatly enhancing motion complexity, semantic understanding, and aesthetic diversity. Wan2.2 also open-sources a 5-billion parameter high-compression VAE-based hybrid text-image-to-video (TI2V) model that supports 720P video generation at 24fps on consumer-grade GPUs like the RTX 4090. It supports multiple video generation tasks including text-to-video.
    Downloads: 147 This Week
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  • 22
    LLM Action

    LLM Action

    Technical principles related to large models

    LLM-Action is a knowledge/tutorial/repository that shares principles, techniques, and real-world experience related to large language models (LLMs), focusing on LLM engineering, deployment, optimization, inference, compression, and tooling. It organizes content in domains like training, inference, compression, alignment, evaluation, pipelines, and applications. Sections covering infrastructure, engineering, and deployment. Repository templates, sample code, and resource links. Articles/code on LLM compression (quantization, pruning).
    Downloads: 1 This Week
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  • 23
    MemPalace

    MemPalace

    The highest-scoring AI memory system ever benchmarked

    ...It operates fully locally using tools like ChromaDB, meaning it requires no API keys, cloud services, or external dependencies once installed. MemPalace emphasizes fidelity over compression, preserving full conversational history to maintain reasoning, nuance, and decision-making context that is typically lost in other systems.
    Downloads: 230 This Week
    Last Update:
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  • 24
    Kopia

    Kopia

    Cross-platform backup tool for Windows, macOS and Linux

    ...Kopia has both a command-line interface for automation and scripting as well as a graphical UI for interactive use, making it suitable for advanced users and those who prefer visual tools. Its architecture supports end-to-end encryption, optional compression, and deduplication, so multiple backups can share data efficiently, and repositories can be stored securely even in untrusted locations.
    Downloads: 97 This Week
    Last Update:
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  • 25
    pg_probackup

    pg_probackup

    Backup and recovery manager for PostgreSQL

    pg_probackup is an advanced backup and recovery tool for PostgreSQL developed by PostgresPro. It supports full, incremental, and differential backups with compression and encryption, and provides fine-grained control over backup and restore processes. It’s designed for enterprise-grade backup strategies in PostgreSQL environments.
    Downloads: 6 This Week
    Last Update:
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