Showing 63 open source projects for "system data"

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  • 1
    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. Its format is stable and published as IETF RFC 8478. The negative compression levels, specified with --fast=#, offer...
    Downloads: 99 This Week
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  • 2
    Brotli

    Brotli

    Brotli compression format

    Version 1.0.9 contains a fix to "integer overflow" problem. 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,...
    Downloads: 33 This Week
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  • 3
    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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  • 4
    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. Snappy is intended to be fast. On a single core of a Core i7 processor in 64-bit mode, it compresses at...
    Downloads: 1 This Week
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  • 5
    Areca Backup (fork)

    Areca Backup (fork)

    Free open source multiplatform backup solution.

    This independent development (fork) of Areca Backup attempts to extend its lifespan by fixing bugs and adding some new features while keeping its simplicity. Areca was originally developed by Olivier PETRUCCI (aventin): https://sourceforge.net/projects/areca/
    Downloads: 59 This Week
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  • 6
    Zip-Ada

    Zip-Ada

    A standalone, portable Ada library for .zip archives

    Zip-Ada is a library for .zip archives. Full sources are in Ada and are unconditionally portable. Input and output can be any stream (file, buffer,...) for archive creation as well as data extraction. Task safe and endian-neutral. More information on: http://unzip-ada.sf.net Alire crate: https://alire.ada.dev/crates/zipada Mirror: https://github.com/zertovitch/zip-ada/
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    Downloads: 31 This Week
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  • 7
    zpaqfranz

    zpaqfranz

    Zpaq compatible archiver for Win, Linux, Free/OpenBSD, Solaris & MacOS

    ...Optimized for cloud/NAS/USB with ultra-low bandwidth, military-grade encryption, and 1GB/s+ speeds on modern hardware. Why Choose zpaqfranz? ✓ Complete: Single/multi-file storage architecture ✓ Modern: SHA-2, SHA-3, BLAKE3, XXH3 and more ✓Paranoid: Antiransomware data verification with integrity checks ✓ Runs everywhere: TrueNAS, ARM-powered, even ESXi ✓ Lightning-fast: Multi-core processing + hardware acceleration ✓ Battle-tested: 15+ years of active development since 2009 Perfect for system administrators managing critical backups and anyone needing bulletproof archival solutions with enterprise-grade reliability. ...
    Downloads: 38 This Week
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  • 8
    BWTC32Key

    BWTC32Key

    A file compressor with AES256CTR and Base32768 binary-to-text encoding

    BWTC32Key is a program I wrote that compresses data, then optionally encrypts it, and then outputs a Base32768 representation as the final output
    Downloads: 0 This Week
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  • 9
    g3fc

    g3fc

    A modern, fast, and secure file archiver with built-in data resilience

    G3FC is a modern, high-performance open-source file archiver using Zstd compression. This project delivers a secure and resilient file container format engineered to replace legacy tools. G3FC excels with its technical features: blazing-fast Zstandard compression, strong AES-256-GCM authenticated encryption, and optional Forward Error Correction (FEC) to prevent data corruption. Its unique footer design allows for instant file indexing and searching, even in massive archives, eliminating the...
    Downloads: 0 This Week
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  • 10
    The Compressor/Decompressor project is a versatile and efficient software solution designed to provide high-performance data compression and decompression capabilities. This project aims to empower users to reduce the size of their data while maintaining its integrity, as well as to efficiently restore compressed data to its original form when needed.
    Downloads: 0 This Week
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  • 11

    diffpak

    A huge files block differential compressor

    A differential compresor (or a binary diff) for huge files. Unlike other tools, e.g. xdelta3, it searches for matching data through the whole source file, even if it weights several gigabytes, while using much less memory (with default configuration approx 25x less than the size of the source file). Output files are not compressed, so you can use any compressor you like with great results. It is quite fast for very similar files (about the speed of hdd, however it reads input files twice)...
    Downloads: 0 This Week
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  • 12
    clzw

    clzw

    Implementation of LZW compression algorithm in C

    Simple, fast implementation of LZW (Lempel–Ziv–Welch) data compression algorithm in C. - Console encoder/decoder tools - OS independent - Could be used in embedded projects - Works with raw code-stream LZW features: - Hardcoded dictionary size - Variable code size - Code search is performed by hash table and embedded in dictionary linked lists (encoder) - No dynamic memory allocation
    Downloads: 0 This Week
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  • 13
    BeoZip is a Java application that backs up data into ZIP files while also providing additional archiving utilities. This program uses the Java APIs for reading and writing ZIP files.
    Downloads: 0 This Week
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  • 14
    Zipios

    Zipios

    Zipios is a C++ library for reading and writing 32bit Zip archives.

    This project has moved to GitHub https://github.com/Zipios/Zipios Zipios is a C++ library for reading and writing Zip archive files. Access to the data of individual entries is provided through standard C++ iostreams. A simple read-only virtual file system that mounts regular directories and zip files is also provided.
    Downloads: 0 This Week
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  • 15
    Slim is a data compression system for scientific data sets, a binary and a library with C linkage. Slim works with integer data from one or more channels in a file, which it can compress more effectively and more rapidly than general tools like gzip.
    Downloads: 0 This Week
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  • 16
    XJSTransform is a transformation and compression tool for XML, JSON and SMILES datasets. XML and JSON data transforms include tag, capital, character n-gram and word n-gram substituions. SMILES data transforms include a domain-specific data transform in addition to capital and character n-gram conversions. These transforms also include a variety of data transform variations. The transformed datasets are then compressed with general-purpose compressors (7Zip, BZip2, GZip, PPMd, PPMVC and...
    Downloads: 0 This Week
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  • 17
    FLAC is a free lossless compressed audio format which supports streaming and archival. The FLAC project maintains the format and provides a reference encoder/decoder and input plugins for several popular audio players.
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    Downloads: 145 This Week
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  • 18
    TER implements the CCSDS Recommendation for Image Data Compression (CCSDS 122.0-B-1). TER also adds new features to the Recommendation. TER is designed and programmed with the aim to provide a good basis to test and develop the CCSDS Recommendation.
    Downloads: 0 This Week
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  • 19
    MicroZip

    MicroZip

    Create,extract and encrypt ZIP,GZIP,TAR,BZIP2,TAZ files on Java mobile

    MicroZip is a powerful file compression and encryption utility for mobile phones which allows you to create and extract compressed archives in multiple formats and encrypt sensitive information with powerful AES-256 encryption. MicroZip can create and extract ZIP,TAR,TGZ,TBZ2 archives and extract many other formats as JAR,GZ,BZ2,TBZ,WAR,BZIP2,GZIP,Z,TAZ,CBZ etc. MicroZip allows you to extract selected files without extracting the whole ZIP archive. MicroZip also supports encrypted ZIP...
    Downloads: 2 This Week
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  • 20

    LPC-Rice HDF5 filter

    Multi-threaded HDF5 filter implementing the LPC-Rice codec

    Multi-threaded HDF5 filter implementing the LPC-Rice codec. This lossless codec is intended to compress correlated signal data, such as image data, stored in HDF5 chunks. The codec/filter is optimized for both compression and decompression speed, but compression ratios are still comparable to JPEG-LS and CCSDS-123 codecs.
    Downloads: 0 This Week
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  • 21
    TTA Lossless Audio Codec
    Lossless compressor for multichannel 8,16 and 24 bits audio data, with the ability of password data protection. Being 'lossless' means that no data/quality is lost in the compression - when uncompressed, the data will be identical to the original.
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    Downloads: 122 This Week
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  • 22
    This project has been moved to https://github.com/inikep/XWRT XWRT (XML-WRT) is a high-performance XML compressor (it also works with textual files). It transforms XML to more compressible form and uses zlib (default), LZMA, PPMd, or lpaq6 as back-end compressor. It is similar to XMill, but has many improvements.
    Downloads: 0 This Week
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  • 23
    font-spider

    font-spider

    Smart webfont compression and format conversion tool

    Font-spider is a compress tool for WebFont which can analyze your web-page intelligently to find the fonts out which have been used and then compress them. Font subsetter, our tool is based on HTML and CSS analysis and completely running in local so that. Font converter supports woff2, woff, eot, svg font format generation.
    Downloads: 0 This Week
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  • 24
    Areca Backup
    Areca-Backup is a file backup software that supports incremental, image and delta backup on local drives or FTP servers. Areca-Backup also allows you to browse your backups and navigate among different version of the files contained in your archives.
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    Downloads: 93 This Week
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  • 25
    TurboPower Abbrevia

    TurboPower Abbrevia

    Advanced data compression toolkit for Delphi and C++Builder

    Abbrevia is a compression toolkit for Delphi, C++Builder, Kylix, and Free Pascal. It supports compressing and decompressing PKZIP, Microsoft CAB, tar, gzip, and bzip2 archives, and can create self-extracting executables. On Windows it also provides Delphi wrappers for the LZMA, Bzip2, and WavPack SDKs, and PPMd decompression. Abbrevia also has several visual controls that simplify displaying and manipulating archives, including treeview and listview components.
    Downloads: 21 This Week
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