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.

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • 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
  • 1
    WinMerge

    WinMerge

    Windows visual diff and merge for files and directories

    WinMerge is a Windows tool for visual difference display and merging, for both files and directories. It is highly useful for determining what has changed between file versions, and then merging those changes. WinMerge has Unicode support, Flexible syntax coloring editor, Visual SourceSafe integration, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages.
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    Downloads: 35,510 This Week
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  • 2
    NSIS: Nullsoft Scriptable Install System

    NSIS: Nullsoft Scriptable Install System

    Windows installer development tool

    NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.
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    Downloads: 8,895 This Week
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  • 3
    CLISP - an ANSI Common Lisp
    CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
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    Downloads: 233 This Week
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  • 4
    PHP File Manager

    PHP File Manager

    phpFileManager a complete filesystem management tool on a single file.

    phpFileManager is a complete filesystem management tool on a single file. A server administration tool using PHP, meant for rapid file access, and also to verify the server configuration and security. The script can be renamed and deployed on an unique known url, and offers password protection.. All dependencies, like images, js and css files, are included inside the same file, so that the script can run even on offline devices, like a local Raspberry Pi, or ESP32 microcontroller. The size of the script is bellow 1Mb, and i want to make it even smaller. To conclude, this script is also a repository of several hand made functions, organized in sections, meant for learning PHP and explore all PHP capabilities. You can learn, copy and use them on your own projects. Help the project with a donation: Will allow the view of two phpFileManager from diferent URLs on the same screen. Like MC (Midnight Commander) does. https://www.dulldusk.com/product/donation-for-phpfilemanager/
    Downloads: 32 This Week
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  • Automate your business processes with ThinkAutomation Icon
    Automate your business processes with ThinkAutomation

    Parse, process and react to millions of messages - automatically

    Develop the automations that work for you. With ThinkAutomation, you get an open-ended studio to build any and every automated workflow you could ever need. All without volume limitations, and all without paying per process, license or ‘robot’.
    Learn More
  • 5

    Process Manager for Windows (PMW)

    A easy to use task manager that lets you control your apps

    Process Manager for Windows is a smart Task Manager that lets you manage priority, transparency, visibility of your processes with few clicks. It lets you kill one process or all processes in with just shortcut key and let you gain control of your unresponding windows computer and let you regain all the resources back, of course when killing apps you always have the risk of losing the unsaved data. ================= This tool flourished from 2008 to 2013, and was downloaded over 200K times, However, it was decommissioned in 2013 by the sole developer Arif Ali Saiyed This tool was free with optional donations to milaap.org that raised about $1400 and just that small amount helped 15,372 needy people through microlending and created a new source of income stream for 3401 entrepreneurs. Check out the link below to see the impact you all made by donating. https://milaap.org/users/6877/impact
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    Downloads: 21 This Week
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  • 6
    TurboPower Abbrevia

    TurboPower Abbrevia

    Advanced data compression toolkit for Delphi and C++Builder

    Abbrevia is a compression toolkit for Delphi, C++Builder, Kylix, and Free Pascal. It supports compressing and decompressing PKZIP, Microsoft CAB, tar, gzip, and bzip2 archives, and can create self-extracting executables. On Windows it also provides Delphi wrappers for the LZMA, Bzip2, and WavPack SDKs, and PPMd decompression. Abbrevia also has several visual controls that simplify displaying and manipulating archives, including treeview and listview components.
    Downloads: 16 This Week
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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: 12 This Week
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  • 8
    PGRFileManager is a free (MIT license) ajax-based file manager you can use standalone or with FCKEditor & CKEditor
    Downloads: 3 This Week
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  • 9
    GPU,  a Global Processing Unit

    GPU, a Global Processing Unit

    A framework for distributed computing

    An extensible framework for distributed computing on P2P grids. We support peaceful free and open research and build an internet supercomputer. We render movies, solve Eternity puzzles, predict climate and improve a ~30 GHz cluster of clients.
    Downloads: 2 This Week
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  • Professional Email Hosting for Small Business | Greatmail Icon
    Professional Email Hosting for Small Business | Greatmail

    Ready to switch to a more reliable and secure email hosting solution?

    Dependable cloud based email hosting with spam filtering, antivirus protection, generous storage and webmail. Compatible with Outlook and all other POP3/IMAP clients. High volume SMTP service for responsible senders. Outbound relay service for transactional messages, email marketing campaigns, newsletters and other applications. Dedicated email servers, clustering and multiple IP load balancing for high volume senders. Fixed monthly cost with unlimited sending and reputation monitoring. Greatmail is an email service provider (ESP) specializing in business class email hosting, SMTP hosting and email servers. For ISPs, application programmers and cloud developers, we also provide custom solutions including dedicated IP servers and process specific, load balanced configurations with multiple servers.
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  • 10
    JNode is a Java New Operating system Design Effort. JNode is a simple to use and install Java operating system for personal use on modern devices. Any java application runs on it, fast and safe. See our homepage for additional information.
    Downloads: 1 This Week
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  • 11
    Gobisoft

    Gobisoft

    Software auto-installation builder

    Gobisoft is a batch package builder for applications, it builds a self-install package of your programs. Creates a stand alone executable file that performs the (secured installation and removing) of the elements necessary to distribute your applications. The software offers many possibilities, such as executing commands before and after installation.
    Downloads: 1 This Week
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  • 12
    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: 1 This Week
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  • 13
    CyBerFuN xBTiT
    CyBerFuN xBTiT by cybernet2u / I only install hacks and maintain them / all the credits for the core source goes to : http://www.btiteam.org new files here ->https://github.com/cybyd/cybyd
    Downloads: 0 This Week
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  • 14
    This library makes SRV records in DNS simple to use; actually, due to the fallback for classical connection mechanisms, it makes building a network connection in general extremely simple.
    Downloads: 0 This Week
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  • 15
    GNOME Clipboard Manager is an environment made for managing your clipboards. It will automatically fetch new clipboards, and will push all the formats of that clipboard to a shelf
    Downloads: 0 This Week
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  • 16
    Infodomestic Objects
    Infodomestic Objects - This is a set of distribution software that mutate the environment providing and advanced interaction experience. We will use a mixed POSIX/Linux/BSD based platform to develop and distribute our interaction experience improvement.
    Downloads: 0 This Week
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  • 17
    Linux object oriented wrapper written in C++. Provides realtime functionalty. Some object that will be created: Task, Event, Mutex, Condition, Semaphore, Tunnel, Channel, Message, ...
    Downloads: 0 This Week
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  • 18
    Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
    Downloads: 0 This Week
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  • 19
    The original project developers have moved to: http://www.sourceforge.net/projects/evros A new attempt will be started here, but don't expect anything for a while.
    Downloads: 0 This Week
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  • 20
    Murdoc is a system for presenting documents in webpages. Murdoc includes a lot of tools to create documents, including tools to automatically document a variety of computer systems.
    Downloads: 0 This Week
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  • 21
    The Stakker project aims to develop Linux drivers and GUI CD management applications with a SQL backend for CD/DVD library/archiving boxes. The Dutch word "Stakker" means "poor blighter" (says babelfish) :-). Imation Stakka works, CD-300 not yet.
    Downloads: 0 This Week
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  • 22
    USSU Unlimited

    USSU Unlimited

    Unattended System Software Updater Unlimited

    USSU Unlimited helps you to manage and keep your standard Windows applications up-to-date. It gives the possibility to add applications yourself. Use it to upgrade already installed applications, it highlights outdated or missing applications and advises to download and install them in a single step. It takes away those frustrations to update everything manually. Instead it leafs your with a updated computer and a smile! Currently 45 standard applications are supported. more supported applications will be available soon... Windows network deployment/management will be available Q3 2013. Supported on Windows XP, Vista, 7, 8 and 2008R2.
    Downloads: 0 This Week
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  • 23
    Vitrax is a powerfull premodded phpbb, all mods are optimized and made compatible with eachother. Included more then 100 mods and addons
    Downloads: 0 This Week
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  • 24
    XSpot Framework communicates with Lanbox hardware by .NET. It includes a program to work with the Lanbox device. Lanbox is a network based lighting console to control static and moving lights in theaters, concerts. See http://www.lanbox.com
    Downloads: 0 This Week
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  • 25
    This is a help system for delivering with new software. This is written in visual basic 3, so it may be looking a little bit older, but a .net version will come soon!! You make help files by making a script that is interpreted. It 's worth to try it!
    Downloads: 0 This Week
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