Browse free open source File Compression software and projects for Mac and Linux below. Use the toggles on the left to filter open source File Compression software by OS, license, language, programming language, and project status.

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  • 1
    pngcrush and other tools for manipulating PNG (Portable Network Graphics) and MNG (Multiple-image Network Graphics) files.
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    Downloads: 308 This Week
    Last Update:
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  • 2
    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: 26 This Week
    Last Update:
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  • 3
    7-Zip-JBinding

    7-Zip-JBinding

    Java wrapper for 7z archiver engine

    Native (JNI) cross-platform library to extract (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Wim Udf archives and create 7z, Zip, Tar, GZip & BZip2 from Java.
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    Downloads: 31 This Week
    Last Update:
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  • 4
    a Java utility for comparing the contents of any two zip files. It can also be used to compare EAR files, WAR files, or JAR files.
    Downloads: 5 This Week
    Last Update:
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  • 5
    CADI is an implementation of the JPIP standard (JPEG2000 Interactive Protocol - Part 9). CADI includes a JPIP server, a JPIP proxy, and a JPIP Client. CADI is designed and programmed with the aim to provide a flexible framework to test and develop ne
    Downloads: 3 This Week
    Last Update:
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  • 6
    An easy-to-use, user-friendly GUI for archived file formats (jar, zip, tar). Explorer-type archive browsing with all the archiving functionality offered through a much easier, quicker & more understandable manner than its command-line counterpart. This project has been replaced by Archive Buddy [http://sourceforge.net/projects/archivebuddy]
    Downloads: 1 This Week
    Last Update:
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  • 7
    CvsKnit is a toolset to automate knitting up CVS repositories from existing source packages. This is a sub-project of minix-up project (SF.jp).
    Downloads: 1 This Week
    Last Update:
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  • 8
    rubyzip is a ruby module for reading and writing zip files
    Downloads: 1 This Week
    Last Update:
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  • 9
    7-Zip-NBinding
    .NET wrapper for 7Zip, based on 7-Zip-JBinding, produced with IKVM. Extracts (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Udf archives. Archive creation/more formats coming soon.
    Downloads: 0 This Week
    Last Update:
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  • 10
    Codex
    A simple C++ library to code/decode data.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Originally developed as a GUI replacement for the JAR utility included with the Java SDK, this program is expanding to become a cross platform archive utility with the ability to create fully cross platform installation programs.
    Downloads: 0 This Week
    Last Update:
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  • 12

    Firefly's Clean Lzo

    A human-readable ISC-Licensed implementation of the LZO1X algorithm.

    LZO is a compression library which is widely used around the world. The main problem with LZO is that it is absolutely not human readable. People have done crazy stuff to get LZO to run in their language. Usually it implies inline assembly or trying to execute data which actually contains machine code. This is sick. Whoever is responsible for this sorry situation ought to be ashamed. So I'm going to deobfuscate LZO and provide a ISC implementation of this algorithm in Python and C. In addition, I will provide a textual description of the algorithm so that it can be easily ported to any programming language. I expect a severe performance degradation, but I leave optimizing for speed to other people.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Language-independent interfaces like DOM, SAX and XSLT are not particularly "Pythonic". Several tools are contained in this "XML2Python Interfaces" project that provide more natural ways of translating between XML and Python objects.
    Downloads: 0 This Week
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  • 14
    Java HTML/XML Compressor is a very small, fast and easy to use library that compresses given HTML or XML source by removing extra whitespaces, comments and other unneeded characters without breaking the content structure.
    Downloads: 0 This Week
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  • 15
    The OS561 operating system based around FORTH/Java. The OS is to run on a VHDL chip OpenHardware design called the Minon, but could become available for other platforms. The unique point of the design is a revolutionary data compression technology.
    Downloads: 0 This Week
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  • 16
    PHP Unarchiver is Un-Archiver tool that works with Tarballs, Zips and Rars. Unarchiver is a browser-based archive management tool for users who do not have direct access to their servers.
    Downloads: 0 This Week
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  • 17
    SMSCompress is a project of investigation, development and implementation of different SMS compression techniques. Using these techniques, SMS of more than 160 characters can be sent at only one SMS, saving money to the user ;)
    Downloads: 0 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
    The ZLib.Ada is a thick binding to the popular compression/decompression library ZLib http://www.gzip.org/zlib/. ZLib.Ada provide Ada style access to the ZLib C library.
    Downloads: 0 This Week
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  • 20
    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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  • 21
    Utilities for J2EE EAR files
    Downloads: 0 This Week
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  • 22

    larra

    C++ library for archive random read access.

    larra provides some simple interfaces for archive access. The main feature is that it uses the same interface for directories and archives, which allows archive-in-archive access (like .tar.gz). For file access a seekable stream interface is used.
    Downloads: 0 This Week
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  • 23
    liblzg is a minimal implementation of an LZ77 class compression library. The main characteristic of the library is that the decoding routine is very simple, fast and requires no memory.
    Downloads: 0 This Week
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  • 24
    Alternative approach to minimum redundancy coding (fixed-length) without using tree data structures. The main advantages are simplicity and flexibility.
    Downloads: 0 This Week
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