System Software

Browse free open source System software and projects for Linux and BSD 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
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    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • 1
    EJBCA, JEE PKI Certificate Authority
    EJBCA is an enterprise class PKI Certificate Authority built on JEE technology. It is a robust, high performance, platform independent, flexible, and component based CA to be used standalone or integrated in other JEE applications.
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    Downloads: 191 This Week
    Last Update:
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  • 2
    IPCop Firewall

    IPCop Firewall

    Linux firewall distribution geared towards home and SOHO users.

    The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
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    Downloads: 106 This Week
    Last Update:
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  • 3
    Robolinux

    Robolinux

    Announcing Robolinux Cinnamon 14.1

    Announcing The New Robolinux Series 14 Mate LTS - 2034 Robolinux is very pleased to announce a completely new 14.1 Mate privacy centered 1inux operating system you can download freely while also offering our users an optional 14+ advanced upgrade which comes with our Untracker and FAAST Boot along with one click popular privacy software installers like Tor and I2p, Wireshark and Bleachbit plus many more for a fair and reasonable price. Robolinux14.1-Mate is ideal for beginners and advanced users. We are proud that it comes with Enoch AI which is TOTALLY 100% PRIVATE, FREE, HONEST & UNCENSORED built into Robolinux Cinnamon 14.1 The Robolinux 14.1 version with rock solid Long Term Support through 2034! requires users to set secure boot in their BIOS. It is currently available in the Cinnamon desktop flavor. we will release series 14 Xfce version in the next two months.For more information please see Readme file. Warmest regards John Martinson Robolinux.org
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    Downloads: 123 This Week
    Last Update:
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  • 4
    BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.
    Downloads: 9 This Week
    Last Update:
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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  • 5
    ttyrpld is a multi-OS kernel-level TTY keylogger and screenlogger with (a)synchronous replay support. It runs on Linux, Solaris, FreeBSD, NetBSD and OpenBSD.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Gloster is a secure and decentralized p2p program for small communities working under Linux and Windows
    Downloads: 0 This Week
    Last Update:
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  • 7
    HTMF is a Java Hard Token Management Framework used to manage the complete livecycle of an organizations Smartcards and/or USB dongles. It communicates with the tokens through a PKCS11 interface.
    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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  • 9
    SME Server

    SME Server

    The Koozali SME Server is a simple and robust server gateway for SOHO

    The Koozali SME Server is the open source community side of the original e-smith server. SME Server consists of a modified Red Hat / CentOS Linux installation, together with a number of server applications as well as the server management web panel. Its strengths are its ease to use for anyone able to use a web interface, and its robustness, giving the ability to recover its initial state even after any upgrade. The server is designed for Small Offices and Home Offices to act as a gateway with a firewall web and email services, but fits also home user needs or even the needs as a simple and robust server only in the cloud to host your website projects and emails.
    Downloads: 0 This Week
    Last Update:
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
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  • 10
    Viralator enhances your network's squid proxy server with a virus scanner. Before a user can download a file, the proxy passes the file to the Viralator script which, in turn, uses a virus scanner to scan, disinfect, or delete the download.
    Downloads: 0 This Week
    Last Update:
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