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

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  • 1

    Info-ZIP project

    Info-ZIP portable compression/archiver utilities

    Info-ZIP portable compression/archiver utilities (Zip, UnZip, WiZ, etc.)
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    Downloads: 132,414 This Week
    Last Update:
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  • 2
    rEFInd

    rEFInd

    An EFI boot manager utility

    rEFInd is a fork of the rEFIt boot manager. Like rEFIt, rEFInd can auto-detect your installed EFI boot loaders and it presents a pretty GUI menu of boot options. rEFInd goes beyond rEFIt in that rEFInd better handles systems with many boot loaders, gives better control over the boot loader search process, and provides the ability for users to define their own boot loader entries.
    Leader badge
    Downloads: 4,769 This Week
    Last Update:
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  • 3
    ksar is a sar graphing tool that can graph for now linux,mac and solaris sar output. sar statistics graph can be output to a pdf file
    Downloads: 31 This Week
    Last Update:
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  • 4
    PROS

    PROS

    Custom firmware and IDE for the VEX Cortex Microcontroller

    This project has been moved to http://pros.cs.purdue.edu/ PROS is a lightweight and fast alternative operating system for the VEX Cortex Microcontroller. It features multitasking, low-level control, and Wiring compatible functions to harness the full power of the Cortex. With a real-time kernel based on FreeRTOS and a development environment built on Eclipse CDT, PROS uses proven software to increase the reliability and usability of the VEX development system across all three major computing platforms. PROS is currently under active development to make it usable for VEX high school and middle school teams. PROS is intended for advanced VEX users seeking to move beyond competing environments. Eclipse and FreeRTOS have their own licensing agreements. Please see http://www.eclipse.org/legal/epl-v10.html and http://www.freertos.org/a00114.html for details.
    Downloads: 16 This Week
    Last Update:
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  • 5
    One-JAR(TM)
    One-JAR(TM) is a simple solution to a vexing problem in Java: how to distribute an application as a single jar-file, when it depends on multiple other jar-files. One-JAR uses a custom classloader to discover library jar files inside the main jar.
    Downloads: 6 This Week
    Last Update:
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  • 6
    Atomatrix is a multithreaded execution system of atomic matrices with a dynamic compiler and a network eviron. It is the next generation object-orientated environment. XML, MUD-OO CLI, GnucDNA support, windows and many subprojects are built-in.
    Downloads: 12 This Week
    Last Update:
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  • 7
    FlowDoh

    FlowDoh

    Dashboard of network top-talkers using netflow sources

    FlowDoh is an NFSEN (nfsen.sourceforge.net) plugin that can... * Provide a real-time dashboard of the top-talkers on your network * Send email alerts based on network activity thresholds * Allow quick drill-down into detailed flow information * Record historical values so you can know if the network traffic is normal (Planned feature) FlowDoh can be used for multiple purposes: * Find hacked servers on your network * Identify users who are hogging bandwidth (such as peer-to-peer file-sharing) * Create a baseline of network statistics about your servers (planned feature) FAQ: Q: Why is it called FlowDoh? A: Because "'Doh!" is what you will say after installing FlowDoh and finding that some of your servers are already hacked. Another possible answer is this acronym: Flow-Dashboard-Of-Hogs.
    Downloads: 6 This Week
    Last Update:
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  • 8
    A Free SOCKS proxy server for Linux, macos and FreeBSD
    Downloads: 13 This Week
    Last Update:
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  • 9
    GGI stands for "General Graphics Interface", and it is a project that aims to develop a reliable, stable and fast graphics system that works everywhere. We want to allow any program using GGI to run on any platform requiring at most a recompile.
    Downloads: 10 This Week
    Last Update:
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  • 10
    A tool written in Java that help you to extract your songs and videos from your iPod to your PC.
    Downloads: 2 This Week
    Last Update:
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  • 11
    MARF is a general cross-platform framework with a collection of algorithms for audio (voice, speech, and sound) and natural language text analysis and recognition along with sample applications (identification, NLP, etc.) of its use, implemented in Java.
    Downloads: 2 This Week
    Last Update:
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  • 12
    Privacy and Anonymity in the Internet

    Privacy and Anonymity in the Internet

    System for anonymous Web browsing

    Our goal is to develop, implement, evaluate and provide a secure and scaleable technical infrastructure for anonymous communication. This project is supported by Deutsche Forschungsgemeinschaft (DFG).
    Downloads: 2 This Week
    Last Update:
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  • 13
    CTrace is a multi-threaded trace debug library written in C. It provides a simple, fast, well documented trace utility for applications and as such is especially suitable for use in real-time embedded applications.
    Downloads: 5 This Week
    Last Update:
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  • 14
    Mac OS X driver for the Thrustmaster Mark I (FCS/WCS/RCS) ADB joystick.
    Downloads: 5 This Week
    Last Update:
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  • 15
    ZASM is a 2 pass assembler for Zilog's 8-bit CPU Z80. Supported platforms: Unix-style OS, e.g. MacOS X, Linux, BSD. Special support for ZX Spectrum emulator file formats. Binary or intel hex file output.
    Downloads: 5 This Week
    Last Update:
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  • 16
    Oyranos
    The Operating System Colour Management System Oyranos is intented to coordinate device informations (ICC colour profiles) and configure their system wide usage. Target is a predictable path for applications and users to match colours across devices.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    SkyCD

    SkyCD

    SkyCD is a program for indexing your files in CDs and CDs also.

    SkyCD is a program for indexing your files in CDs and CDs also. All indexing information is saved in text files, so anyone can edit or view with existing text editor/viewer. You can also send these files to your friends & they will know what CD you have.
    Downloads: 4 This Week
    Last Update:
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  • 18
    DruidBSD is a FreeBSD micro-distribution that supports CD/DVD, USB, and HD booting into a Live BSD Distribution.
    Downloads: 2 This Week
    Last Update:
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  • 19
    Open Source Exchange community for Cisco-centric developers and customers to publish, discuss and release their open source tools, scripts and utilities for managing or operating Cisco network equipment
    Downloads: 1 This Week
    Last Update:
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  • 20
    iScroll2
    A modified version of Apple's trackpad device driver that allows for two-finger scrolling on most Aluminum PowerBook and G4 iBook models introduced before 2005.
    Downloads: 1 This Week
    Last Update:
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  • 21
    The aim of our project is to create a portable microkernel and a set of OS services that allow good local performance, multiple concurrent operative system personalities (ie UNIX and a native interface) and easy integration of distributed components.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    A Collection of GUI tools and installations for the day to day use and administration of PostgreSQL servers both on and from a Mac OS X environment.
    Downloads: 1 This Week
    Last Update:
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  • 23
    LDAPManager is an open source Cocoa application, written in Objective-C, to provide an LDAP browser/editor with a native Mac OS X interface. Should work fine on Tiger and Panther, and perhaps earlier.
    Downloads: 1 This Week
    Last Update:
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  • 24
    Powerful cross-platform, ANSI C library for writing network applications. Full IPv4 and IPv6 support, multiple socket threading, broad- and multicasting, interface access, link-layer access, raw IP datagrams, and more.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Awesum is an automated graphical checksum verification utility written in Python using the PyGTK toolkit. It currently supports both MD5 and SHA checksums.
    Downloads: 0 This Week
    Last Update:
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