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.

  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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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: 8,383 This Week
    Last Update:
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  • 2
    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: 536 This Week
    Last Update:
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  • 3
    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: 246 This Week
    Last Update:
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  • 4
    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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  • 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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  • 5
    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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  • 6
    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: 44 This Week
    Last Update:
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  • 7
    FileCentipede

    FileCentipede

    File centipede is an internet file download manager

    File centipede is an internet file download/upload manager, Torrent client, WebDAV client, FTP client, and SSH client. It's fast, customizable, user-friendly, multi-protocols supported, and free with no ads. It also contains many useful auxiliary tools such as HTTP requester, file merge, and encoders. With the browser integration, you can download audio and videos from websites, even encrypted videos. File centipede makes everything easy and efficient, it's the best internet download manager you can find.
    Downloads: 54 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: 136 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: 16 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
    FileSearch
    FileSearch is a multi-threaded documents searcher. No indexes need to be updated ; no background service is required. The more you have drives the more search speed is increased thanks to its multi-threading technic.
    Downloads: 13 This Week
    Last Update:
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  • 11
    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: 16 This Week
    Last Update:
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  • 12
    PHP Server Monitor

    PHP Server Monitor

    Open source tool to monitor your servers and websites

    PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address. For services a connection will be made to the entered ip or domain, on the given port. This way you can check if certain services on your machine are still running. To check your IMAP service for example, enter port 143. For websites you can enter a link and it will check the HTTP status code. If the HTTP status code is in the 4xx range or a timeout, it means an error occurred and the tool will start sending out notifications. You can also set a regular expression to match for content on the page itself. Each server has its own settings regarding notification. You can choose for email, text message (SMS) and Pushover.net notifications. For more info please visit http://www.phpservermonitor.org
    Downloads: 7 This Week
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  • 13
    AutoIndex is a PHP script that makes a table that lists the files in a directory, and lets users access the files and subdirectories. It includes searching, icons for each file type, an admin panel, uploads, access logging, file descriptions, and more.
    Downloads: 11 This Week
    Last Update:
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  • 14
    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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  • 15
    PHPfileNavigator
    PHPfileNavigator is a PHP Open Source Web File Manager. Easy to install and use. All in CSS and Valid XHTML 1.1, allow manage all possibilities with files and folders.
    Downloads: 5 This Week
    Last Update:
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  • 16
    WHMCS VPS Reseller

    WHMCS VPS Reseller

    Cloud VPS Reseller Provisioning Module for WHMCS

    Best WHMCS VPS Reseller Module on Marketplace Integrate with ready-made WHMCS module to leverage auto-provision of Cloud VPS servers from your private-label cloud controller. By integrating with Rad Web Hosting VPS Reseller module, your VPS procurement headaches are over. Your Own Virtual Private Datacenter You instantly have access to your own Virtual Private Cloud VPS cluster-with automated server provisioning available direct from your WHMCS and delivered by you to your end-users. With on-demand VPS provisioning and a full suite of applications and included OS templates, you'll greatly reduce the time-to-market-all without the hassle and costs of building your own cloud data center from scratch. Become Cloud Leaders Your end users will not only have VPS administration abilities from the WHMCS interface, thanks to our VPS Reseller provisioning module, but they can also access incredible feature-rich white-label VPS control panel.
    Downloads: 15 This Week
    Last Update:
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  • 17
    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: 24 This Week
    Last Update:
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  • 18

    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: 5 This Week
    Last Update:
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  • 19
    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: 2 This Week
    Last Update:
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  • 20
    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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  • 21
    Contineo is a Web-based Document Management System (DMS). Features: Folder organization, document Versioning, Bulk import, import from mailbox. NOTE: this project has been DISMISSED in favor of LogicalDOC http://sourceforge.net/projects/logicaldoc
    Downloads: 3 This Week
    Last Update:
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  • 22
    Interleave is a business process management application. It enables you to model your business process and make it available online. It's meant to replace processes which currently rely on paper or spreadsheets and it has a good workflow engine.
    Downloads: 1 This Week
    Last Update:
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  • 23
    UPCASE stands for User Platform of Collaborative Applications for the Social Economy. The UPCASE software is a generic installer of PHP + MySQL applications. Each supported software is considerd as package available via our package-server.
    Downloads: 2 This Week
    Last Update:
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  • 24
    zBrowser NightSky

    zBrowser NightSky

    zBrowser-NightSky is a fast browser imagined to you

    Zeromus Web Browser (called zBrowser) is a simple browser whose feature list includes things like "History", "Bookmarks" and "zLink", that is a page to see the most visited hosts. It is small, less then 10,000 lines of code and very fast. The 1.0.0 update of NightSky includes a new homepage, a new zLink page, new keyboard shortcuts, a streamlined interface, and a major modification of the search engines. The 1.1.0 update included the removal of the editor page and activation of AdBlock. Note: zBrowser is a fork of Arora and NightSky is a alternative version with a new interface thinked to you.
    Downloads: 1 This Week
    Last Update:
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  • 25
    Zeromus Browser

    Zeromus Browser

    Zeromus Browser is free, simple and lightweight.

    Zeromus Browser is a simple browser whose feature list includes things like "History", "Bookmarks" and "zLink", that is a page to see the most visited hosts. It is small, less then 10,000 lines of code and very fast. The SpringSun 2.0.0 update includes a new homepage, a new zLink page, new keyboard shortcuts, a new button to the download manager, a streamlined interface, and a major modification of the search engines. The SpringSun 2.1.0 update use Qt 4.8.3 for more stability. The 4.2 update include a better interface, a new logo, and a new homepage. Then, the 4.3 update include an other new logo because we search what's Zeromus identity. ;-) Note: Zeromus Browser is a fork of Arora.
    Downloads: 2 This Week
    Last Update:
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