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

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • 1
    Wine

    Wine

    Run Windows applications on Linux, BSD, Solaris, and Mac OS X

    Wine is an Open Source implementation of the Windows API on top of X and Unix. Wine provides both a development toolkit for porting Windows sources to Unix and a program loader, allowing many unmodified Windows binaries to run on x86-based Unixes.
    Leader badge
    Downloads: 793 This Week
    Last Update:
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  • 2
    searchmonkey

    searchmonkey

    Powerful desktop search app for Windows, Linux and Mac

    Power searching on your desktop without the pain. Perform powerful desktop searches without having to index your system using regular expressions. Graphical equivalent to find/grep. Available for Windows (JAVA) and Linux (Gnome & KDE) and easy to translate into your locale.
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    Downloads: 79 This Week
    Last Update:
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  • 3
    Use Wine (Wine Is Not an Emulator) to run Windows applications on Darwin and Mac OS X.
    Downloads: 31 This Week
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  • 4
    Turbo Download Manager

    Turbo Download Manager

    A portable modern multi-threading download manager for all platforms

    A modern multi thread download manager for Windows, Linux, Mac OS, Firefox, Chrome, Opera and Android devices. For bug reports visit: https://github.com/inbasic/turbo-download-manager/issues For FAQs visit: http://add0n.com/turbo-download-manager.html Turbo Download Manager is an stand-alone application without any dependencies. It should run out of the box. Just set the download location while adding the first job request. If you have a browser and would like to integrate this download, use these browser extensions: Firefox: https://addons.mozilla.org/firefox/addon/turbo-download-manager/ Opera: https://addons.opera.com/extensions/details/turbo-download-manager/ Chrome: https://chrome.google.com/webstore/detail/turbo-download-manager/kemfccojgjoilhfmcblgimbggikekjip
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    Downloads: 66 This Week
    Last Update:
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  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 5
    Parcellite is a lightweight GTK+ clipboard manager. This is a stripped down, basic-features-only clipboard manager with a small memory footprint for those who like simplicity.
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    Downloads: 26 This Week
    Last Update:
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  • 6
    BGINFO4X - BGINFO for X and for Windows!

    BGINFO4X - BGINFO for X and for Windows!

    Shows desktop information on your screen

    BGINFO for X, also called BGINFO4X, is a clone of the popular program BGINFO for Microsoft Windows created by Sysinternals. BGINFO4X is designed for pretty print useful information (CPU model, Hostname, IP address, OS version, Office version, and much more ...) on your desktop background or wallpaper. See the screenshots to see BGINFO4X in action. BGINFO4X is Multi Platform (Windows, MacOSX, Linux, BSD). BGINFO4X is Highly Customizable. BGINFO4X is Open Source. BGINFO4X comes with lots of Features. See the main Features below on this page. Find more information in http://sourceforge.net/p/bginfo4x/wiki/BGINFO4X/
    Downloads: 32 This Week
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  • 7
    JNode is a Java New Operating system Design Effort. JNode is a simple to use and install Java operating system for personal use on modern devices. Any java application runs on it, fast and safe. See our homepage for additional information.
    Downloads: 10 This Week
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  • 8
    Plugin for Launchy, meant as replacement for apparently dead plugin mathy. MathyResurrected will try to replicate Mathy functionality.
    Downloads: 3 This Week
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  • 9
    Portable Java Launcher

    Portable Java Launcher

    PJL - Free Cross-Platform Portable Java Launcher for executable files

    PJL - Free Cross-Platform Portable Java Launcher for executable files = jar, exe, etc. Same as Win Portable Start Menu and other launcher programs. Useful thing for USB and others. Simple and intuitive GUI. Using SwiXML excellent framework - https://swixml.org/ , https://github.com/swixml/Two . Need JRE-1.8: https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . Source = https://github.com/harp077/pjl . If you like this - put a star on https://github.com/harp077/pjl/ for support project please.
    Downloads: 3 This Week
    Last Update:
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  • Total Network Visibility for Network Engineers and IT Managers Icon
    Total Network Visibility for Network Engineers and IT Managers

    Network monitoring and troubleshooting is hard. TotalView makes it easy.

    This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
    Learn More
  • 10
    Java Remote Desktop

    Java Remote Desktop

    Cross-platform java remote desktop control and desktop sharing

    jrDesktop is a cross-platform java remote desktop control and desktop sharing application that provides a remote display and control of a computer. It has many features. It works only on LAN, for the Internet-ready version visit www.firnass.com
    Downloads: 6 This Week
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  • 11
    Driver support for 3D Controller Hardware. We hope to support SDL Input, DirectInput, and other major controller API's including game consoles and embedded systems.
    Downloads: 5 This Week
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  • 12
    Morph is a cross-platform program that abstracts the Windows and Linux command line environments to help teach students or others not familiar with the command line how to use it in a way that is user friendly.
    Downloads: 4 This Week
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  • 13
    A solution for Home automation, with HTTP access to manage Tini Board, X10 - I2C - LCD components. You can add your own manager and exchange his services with other. All manager are plug on a kernel (Servlet Java).
    Downloads: 3 This Week
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  • 14
    Open Source port of the X Window System. XFree86 home page is at http://www.xfree86.org. Bugs may be reported here or at http://bugs.xfree86.org. Information about accessing the XFree86 CVS repository can be found at http://www.xfree86.org/cvs/.
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    Downloads: 3 This Week
    Last Update:
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  • 15
    Zapplet is a tray applet for monitoring aspects of your Zenoss installation from the desktop. The intention is work from all desktops supported by GTK. Multiple zapplets may be used to monitor multiple Zenoss installations.
    Downloads: 1 This Week
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  • 16
    WeirdX is a pure Java X Window System server.
    Downloads: 2 This Week
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  • 17
    The Wizard Desktop is a set of simple applications that maintain a common user experience along with a simple window manager. The underlying framework will allow a single-user multiple network connected computers paradigm. Communications between the framework and applications are standardized, programs can be swapped out at will. Please visit the OpenHub site.
    Downloads: 2 This Week
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  • 18
    A laptop battery meter for the KDE panel. KBatt can display current power status (AC online, offline), battery level, as well as remaining time.
    Downloads: 1 This Week
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  • 19

    SearchMonkey Fork

    Fork of Search Monkey project

    Power searching without the pain. Perform powerful desktop searches without having to index your system using regular expressions. Graphical equivalent to grep. Fork have new features like displaying context of files and "Open With" menu in Linux with KDE.
    Downloads: 1 This Week
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  • 20
    The concept behind the 'Applications via XML' (AVX) architecture is to allow applications to become more flexible in the way they go about performing their duties. The essential idea is to avoid 'hard-coding' instructions into an applications' source
    Downloads: 1 This Week
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  • 21
    Atomic OS is a responsive Web 2.0 operating environment & development platform. Based on AJAX techniques, it emulates/provides standard operating system features including a command-line shell, interpreter, filesystem, database access and GUI services.
    Downloads: 1 This Week
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  • 22
    BrowserChooser
    BrowserChooser 0.2. is a Java-based free-ware tool and was designed to integrate your multi-browser environment. Nevertheless it can handle almost every application or even a single file almost like a real dock-application e.g. YZDock!
    Downloads: 1 This Week
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  • 23
    A modern secure, robust, multithreaded, exception aware, internationalisable, portable GUI toolkit library designed for mission-critical work in C++ and Python forked from the FOX library. Replicates the Qt API in many places.
    Downloads: 1 This Week
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  • 24
    FSGuide is a web-based Norton Commander-clone used by many hosting firms and individuals for advanced file-management.Features:user/access management, file uploader, advanced internal viewer, text/binary editor, file tools, language support & a lot more!
    Downloads: 1 This Week
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  • 25
    Gnufilter is a command-line application written in object-oriented C++ that addresses the need to keep a user's directories structured and clean.
    Downloads: 1 This Week
    Last Update:
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