Browse free open source System software and projects for Windows and Linux 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)?

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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 1
    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: 6,507 This Week
    Last Update:
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  • 2
    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: 255 This Week
    Last Update:
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  • 3
    Allows editing of any size file in hexadecimal, decimal and ASCII. A great tool that allows you to edit and analyze the contents for either the data or resource fork of any type of file. 68K, PPC and Carbon run on MacOS 7-9 and X.
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    Downloads: 170 This Week
    Last Update:
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  • 4
    Remote Subversion repository dump
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    Downloads: 68 This Week
    Last Update:
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  • Cloud-based help desk software with ServoDesk Icon
    Cloud-based help desk software with ServoDesk

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  • 5
    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: 27 This Week
    Last Update:
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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: 29 This Week
    Last Update:
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  • 7
    Gammu

    Gammu

    Cellular manager for mobile phones/modems

    Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp
    Downloads: 24 This Week
    Last Update:
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  • 8
    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: 13 This Week
    Last Update:
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  • 9
    MyOpenLab
    The most recent distribution of MyOpenLab can be downloaded from: myopenlab.org Follow us on Facebook as MyOpenLab Colombia https://www.facebook.com/myopenlabcolombia/ Subscribe, like and watch our MyOpenLab videos: https://www.youtube.com/channel/UCet6UPnaHKGjtbytJHIf2jQ Thanks!
    Downloads: 12 This Week
    Last Update:
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  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
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  • 10
    Ubuntu-Business-Desktop (LXC)

    Ubuntu-Business-Desktop (LXC)

    Ubuntu LXQT - LXC Template for Proxmox

    This is a LXC-Template witch can be used for a company or private. It's an adapted Ubuntu with x2go-Terminalserver and Webmincontrol. It's easy to control the system with webmin. You never must use the terminal. Try it!
    Downloads: 10 This Week
    Last Update:
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  • 11
    OS9exec - execution environment for OS-9/68k user-mode programs on MacOS9 / MacOSX / Windows and Linux host OS. (OS-9 is an RTOS of Microware/Radisys)
    Downloads: 17 This Week
    Last Update:
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  • 12
    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: 16 This Week
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  • 13
    ownOS: MacBuntu

    ownOS: MacBuntu

    Developed by Robert Kagan

    Developed by Robert Kagan Based on Ubuntu 16.04.1 LTS (https://www.ubuntu.com/) Features conntent from http://www.noobslab.com/
    Downloads: 10 This Week
    Last Update:
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  • 14
    dktools - Dirk Krauses tools

    dktools - Dirk Krauses tools

    Drawing, graphics conversion, software development, administration.

    GUI and command line tools for advanced users and administrators: wxdkdraw - Minimalistic drawing application for use with LaTeX, wxd2lat - Convert wxdkdraw files to LaTeX, bitmap2pp - Convert PNG/JPEG/TIFF/NetPBM to (E)PS or PDF, fig2lat - Convert XFig files to LaTeX, htmlbook - publish HTML like a book, dkcpre - C debugging and tracing preprocessor, itadmin - manage your IT using a MySQL/MariaDB database, dk-fic - file integrity checker, dk-ls - list files, output column order is configurable, dk-cat, dk-sort, dk-lines - text tools for *x and Windows, dk-send, dk-recv - transmit data stream, dk-t2h, dk-t2l - text to HTML or LaTeX conversion.
    Leader badge
    Downloads: 9 This Week
    Last Update:
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  • 15
    The purpose of this project is to provide a convenient Java implementation for Future Technology Devices International Inc.'s (http://ftdichip.com) FTD2xx library. This library is used to access and control FTDI's USB to serial converter chips via USB.
    Downloads: 3 This Week
    Last Update:
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  • 16
    iF.SVNAdmin
    The iF.SVNAdmin application is a web based GUI to your Subversion authorization file. It is based on PHP 5.3 and requires a web server (Apache) to be installed. (+ LDAP integration; no database required)
    Leader badge
    Downloads: 6 This Week
    Last Update:
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  • 17
    JPPF

    JPPF

    The open source grid computing solution

    JPPF makes it easy to parallelize computationally intensive tasks and execute them on a Grid.
    Downloads: 1 This Week
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  • 18
    virtual-ubuntu

    virtual-ubuntu

    Ubuntu (64 bit) OVA, VDI

    Ubuntu (64 bit) OVA, VDI VBoxGuestAdditions: Installed Password: passwort virtual-ubuntu powered by juergenrohn
    Leader badge
    Downloads: 5 This Week
    Last Update:
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  • 19
    IIControl is a library for controlling fischertechnik models via the Intelligent Interface. IIControl is written in Java and provides complete abstraction from the interface and the hassle controling the serial port.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Easy configurable Java launching framework for avoiding long classpath hacks when launching a Java application from the command line
    Downloads: 1 This Week
    Last Update:
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  • 21
    VisualMon is a concise dashboard for Java web applications, it shows statistics gathered by JAMon, reduced to the data relevant to the concrete web application and with a visually pleasant appearance.
    Downloads: 1 This Week
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  • 22
    C-Control II (Conrad Electronic)-kompatible Virtuelle Maschine fuer die Freescale CPU12-Familie.
    Downloads: 0 This Week
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  • 23
    Our goal is to create a library extension that has the ability to seamlessly intergrates with the C++ standard template library, but does not subtitute it. This will include standard and proprietary libraries.
    Downloads: 0 This Week
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  • 24
    AdmIRC is a webmin module for irc server administration. It provides a config interface and advanced security and linking automatism support. Currently UnrealIRCD 3.2 and the services Anope and Epona are supported. Subprojects: irc newsbot and java tools
    Downloads: 0 This Week
    Last Update:
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  • 25
    AppLaunch
    AppLaunch is a MacOS X tool written in Objective-C/Cocoa to launch common Unix and MacOS commands using a "graphical command line". You can say that it is the MacOS X version of Windows', KDEs, ... "Run"/"Launch" dialog.
    Downloads: 0 This Week
    Last Update:
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