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

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

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    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
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  • 1
    logicAlloy ALE is RFID-EPC compliant RFID middleware. ALE collects and processes RFID tag data from RFID readers, then pushes RFID data to ERP apps. For more info on ALE, RFID and RFID tools, see www.logicalloy.com. logicAlloy - RFID made easy
    Downloads: 10 This Week
    Last Update:
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  • 2
    EmuLinker is a fully featured Kaillera network server. Kaillera is a client/server system that virtually any emulator can implement to enable network play, by mapping "Player 2" input to another user over the Internet using UDP network communication.
    Downloads: 1 This Week
    Last Update:
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  • 3
    FunkOS is an RTOS for 8-32 bit MCUs including AVR, MSP430, and Cortex M3. Both C and C++ kernels avaiable. Key features include preemption, periodic events, device drivers, and mutex/semaphores. Includes a variety of graphics and filesystem middleware. Please also check out FunkOS's big brother, Mark3OS. Mark3OS is slightly larger, but is more scalable, much more feature-rich, and supports a wider variety of devices.
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    Downloads: 0 This Week
    Last Update:
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  • 4
    Machinity is an open P2P platform for business communities and services. It provides security, network evolution, unified storage, parallel file retrieval, node proxies (firewall), business processes and much more.
    Downloads: 0 This Week
    Last Update:
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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