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

  • 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.

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    Zero Install
    Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
    Leader badge
    Downloads: 2,621 This Week
    Last Update:
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  • 2
    AROS Research Operating System
    The AROS Research Operating System is an effort to implement an Open Source and portable operating system that is compatible with AmigaOS(TM). Originally, it was meant as a direct reimplementation, but already has features not existing in AmigaOS.
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    Downloads: 161 This Week
    Last Update:
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  • 3
    Syllable Desktop is a complete operating system that is easy to use, powerful, lightweight and extraordinarily fast and responsive. It has its own kernel, filesystem, GUI and applications. Syllable Server is a matching small and efficient Linux server.
    Downloads: 10 This Week
    Last Update:
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  • 4
    Unetbootinbitti

    Unetbootinbitti

    Tool for creating live usb-drives and downloading distros

    Tool for creating live usb-drives and downloading distros. This is an upgraded version of Unetbootin focusing on Bittix linux 9 and above and Linux Mint and Linux Mint debian. Has Distrowatch.com link etc.
    Downloads: 29 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
  • 5
    ThinTUX is a small Linux distribution for thin clients. It has support for all major remote access protocols. The distribution can be booted from the network. The configuration is stored on a DHCP server to simplify terminal management.
    Downloads: 1 This Week
    Last Update:
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  • 6
    A Linux kernel space implementation of NAPT-PT (Network Address Port Translation - Protocol Translation) specified in RFC 2766. NAPT-PT is a transition mechanism used to allow hosts on an IPv6 network to communicate with IPv4 hosts.
    Downloads: 0 This Week
    Last Update:
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  • 7
    The Pawn will make it possibly for you to tell the computer exactly what you would like it to do. Fiction. No its reality now. The highly customizable slackware will be the base for Pawn.
    Downloads: 0 This Week
    Last Update:
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  • 8
    PESOS, PHP Easy Signt On System. A rudimentary single sign on (SSO) system utilizing php & mod_rewrite.
    Downloads: 0 This Week
    Last Update:
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