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.

  • Gen AI apps are built with MongoDB Atlas Icon
    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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    Simple, Secure Domain Registration

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  • 1
    Double Commander
    Double Commander is a cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.
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    Downloads: 9,035 This Week
    Last Update:
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  • 2
    uGet - Download Manager
    uGet, the Best Download Manager for Linux. uGet is a lightweight yet powerful Open Source download manager for GNU/Linux developed with GTK+, which also comes packaged as a portable Windows app. - Quick Links - Features: https://ugetdm.com/features Screenshots: https://ugetdm.com/screenshots Blog: https://ugetdm.com/blog Support: https://ugetdm.com/qa Frequently Asked Questions (FAQs): https://ugetdm.com/qa/faq RSS Feed: https://ugetdm.com/rss GitHub: https://github.com/ugetdm
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    Downloads: 790 This Week
    Last Update:
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  • 3
    winPenPack

    winPenPack

    The portable software collection

    winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable!
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    Downloads: 557 This Week
    Last Update:
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  • 4
    LogicalDOC Document Management - DMS

    LogicalDOC Document Management - DMS

    smart and open source document management system

    LogicalDOC is both document management and collaboration system. The software is loaded with many functions and allows organizing, index, retrieving, controlling and distributing important business documents securely and safely for any organization and individual. Gone are the days when companies used paper-based processes such as printing, mailing and manual filing of paper documents; our document management system replaces all of this with electronic procedures that allow your organization to reduce costs significantly. Check out https://www.logicaldoc.com to learn more. The design of LogicalDOC is based on best-of-breed Java technologies in order to provide a reliable DMS platform. The main interface is web-based, no need to install anything else; users can access the system through their browser. LogicalDOC CE is 100% free software and is packaged with an open source database; while it supports all major DBMS, developers still recommend MySQL for production systems.
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    Downloads: 227 This Week
    Last Update:
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  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 5
    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: 115 This Week
    Last Update:
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  • 6
    FreeFileSync

    FreeFileSync

    Free data backup software to synchronize files and folders

    FreeFileSync is a free Open Source software that helps you synchronize files and synchronize folders for Windows, Linux and macOS. It is designed to save your time setting up and running data backups while having nice visual feedback along the way. _______________________________________________________________ DOWNLOAD LINKS (official homepage): https://freefilesync.org/
    Downloads: 78 This Week
    Last Update:
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  • 7
    ZK - Simply Ajax and Mobile
    ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
    Downloads: 48 This Week
    Last Update:
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  • 8
    GeoNetwork opensource - Metadata Catalog
    A web based Metadata Catalog Server for data description and discovery. Supports both generic and geospatial data discovery. It implements international standards (e.g. ISO19115/19139/19119, ISO19115-3, DCAT-AP, CSW 2.0, OGC API Records). It originates from the United Nations and is used by many governments as geoportal software. Active development and discussion takes place on GitHub and OSGeo Discourse. You can also connect directly with the companies supporting the development. Source code available on github https://github.com/geonetwork/
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    Downloads: 150 This Week
    Last Update:
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  • 9
    TWiki Enterprise Collaboration Platform

    TWiki Enterprise Collaboration Platform

    Open Source Enterprise Wiki and Web Application Platform

    Enterprise collaboration platform with over 400 extensions. Users without programming skills can create web applications. 50,000 small businesses, many Fortune 500 companies, and millions of people use TWiki, with installations of 100,000s of pages. Visit http://twiki.org/ for the open source TWiki. The TWiki community is focusing on building the best collaboration platform for the workplace. We invite you to GET INVOLVED! More at http://bit.ly/twGetInv.
    Downloads: 15 This Week
    Last Update:
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  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure 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
    wxDownload Fast is a multi-platform download manager. It downloads faster by getting segments from multiple locations at the same time. It was created in C++ using the wxWidgets library. ALERT: There is a malware using the name wxdownload (or wxdownloadmanager). The malware site use some of the original screenshots and texts. Be carefully. The wxDownload Fast original files are aways hosted in SourceForge.net.
    Downloads: 17 This Week
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  • 11
    Pydio Cells

    Pydio Cells

    Formerly AjaXplorer, file sharing platform for the enterprise

    Pydio Cells is the mature open source alternative to dropbox and box, for the enterprise. Why building your own box? You need to access your documents across multiple devices, and regularly share documents (weblinks) and folders with your contacts and teams. Still, using a consumer SaaS box or drive service is neither practical nor safe. And enterprise SaaS box or drive services are expensive and come with Disk Storage that you already have on your servers or private cloud. How to build your own box with Pydio? Easily install Pydio on your servers or cloud of choice, Simply share documents and folders with your teams, Administrate your box with an Entreprise grade console (rights, groups, plug ins), Access documents with a Web Gui, Smartphones and tablet apps (iOS, Android), Sync folders on your computer (PC, Mac, Linux).
    Downloads: 6 This Week
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  • 12
    phpSysInfo
    phpSysInfo is a customizable PHP Script that parses /proc, and formats information nicely. It will display information about system facts like Uptime, CPU, Memory, PCI devices, SCSI devices, IDE devices, Network adapters, Disk usage, and more.
    Downloads: 5 This Week
    Last Update:
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  • 13
    Poweradmin
    Poweradmin is a web-based DNS administration tool for PowerDNS server. The interface has full support for most of the features of PowerDNS. It has full support for all zone types, for supermasters, full support for IPv6 and multi-language support.
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    Downloads: 20 This Week
    Last Update:
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  • 14

    phpMyBackupPro

    phpMyBackupPro is the MySQL backup tool - especially without ssh!

    phpMyBackupPro is a web-based MySQL backup application in PHP. You can schedule backups, download, email or upload them with FTP and backup whole file directories. Zip and gzip compression, easy interface and installation. Many languages and online help!
    Downloads: 4 This Week
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  • 15
    phpMyAdmin

    phpMyAdmin

    A software tool to bring MySQL to the Web

    phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add columns, execute any SQL statement, manage indexes on columns.
    Downloads: 3 This Week
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  • 16
    FlareGet - Download Manager

    FlareGet - Download Manager

    An advanced multi-threaded and multisegment download manager.

    FlareGet is a full featured, multi-threaded and multi-segment download manager and accelerator for Windows and Linux
    Downloads: 6 This Week
    Last Update:
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  • 17
    iMSCP -  Multi-Server Control Panel

    iMSCP - Multi-Server Control Panel

    Internet - Multi Server Control Panel

    i-MSCP (internet Multi Server Control Panel) is an open-source project which allows the management of shared hosting environments on Linux servers. i-MSCP aims to provide an easy-to-use Web interface for end-users (administrators, resellers and clients) and to manage servers without any manual intervention on the filesystem.
    Downloads: 8 This Week
    Last Update:
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  • 18
    This project provides Fedora and Mandrake RPM packages for Aria. Aria is GTK download manager supporting HTTP/FTP protocol with multilanguage interface.
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    Downloads: 1 This Week
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  • 19
    Collection of Java tools and packages related to server-side (web application-oriented) XML processing, such as Adaptive XML Inclusions system with demo. Tools for personalization of XML content, Java-XML data binding and others will come later.
    Downloads: 0 This Week
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  • 20
    Aurox is the most popular European distribution based on Fedora. It's a fast and stable operating system that focuses on better hardware support. The graphical configuration tools and installer help new users to get started with linux distributions.
    Downloads: 0 This Week
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  • 21
    Far Manager

    Far Manager

    Text mode file and archive manager for Windows

    Far Manager is a program for managing files and archives in Windows operating systems. Far Manager works in text mode and provides a simple and intuitive interface for performing most of the necessary actions: viewing files and directories; editing, copying and renaming files; and many other actions. Far Manager has a multi-language, easily configurable interface. File system navigation is made easier through the use of color highlighting and sort groups. The functionality of Far Manager is greatly extended by external DLL modules — plugins (made possible by a special set of interfaces — the Plugins API). For example: archive support, FTP client, temporary panel and network browser are all implemented as plugins included in the standard distribution of Far.
    Downloads: 0 This Week
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  • 22
    Qt based download/upload manager for Linux written in C++
    Downloads: 0 This Week
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  • 23
    GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.
    Downloads: 0 This Week
    Last Update:
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  • 24
    LinPHA is an easy to use, multilingual, flexible photo/image archive/album/gallery written in PHP. It uses a SQL database to store information about your pictures. It comes with a HTML based installer, so you don't need experience in setting up SQL
    Downloads: 0 This Week
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  • 25
    MaheshaBSD server

    MaheshaBSD server

    Easy to use Wordpress-server solution on USB-stick powered by BSD

    Unix-based MaheshaBSD provides an easy to use Wordpress-server on USB-stick securely deployed, easily to administrate and very fast. Its capable of work under heavy workloads based on the FreeBSD technology and world-class security.
    Downloads: 0 This Week
    Last Update:
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