Browse free open source System software and projects for Linux and ChromeOS below. Use the toggles on the left to filter open source System software by OS, license, language, programming language, and project status.

  • Already Paying for an RMM? Get 50% Off Splashtop AEM Icon
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  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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  • 1
    This is Java 2 Micro Edition (J2ME) CLDC/MIDP Emulator. Allows demonstrate MIDlet based applications in web browser applet, also can be run as standalone java application.
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    Downloads: 508 This Week
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  • 2
    Rekado

    Rekado

    Payload launcher and serial number checker for Nintendo Switch

    Payload launcher is written in Kotlin for Nintendo Switch. The application doesn't require Root on your device.
    Downloads: 90 This Week
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  • 3
    JBoss Community
    Community driven projects featuring the latest innovations for cutting edge apps. Our flagship project JBoss AS is the leading Open Source, standards-compliant, Java EE based application server implemented in 100% Pure Java.
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    Downloads: 364 This Week
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  • 4
    Launch4j Executable Wrapper
    Cross-platform Java executable wrapper for creating lightweight Windows native EXEs. Provides advanced JRE search, application startup configuration and better user experience.
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    Downloads: 2,151 This Week
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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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  • 5
    tkdiff

    tkdiff

    Side-by-side diff viewer, editor and merge preparer

    tkdiff is a graphical front end to the diff program. It provides a side-by-side view of the differences between two text files, along with several innovative features such as diff bookmarks, a graphical map of differences for quick navigation, and a facility for slicing diff regions to achieve exactly the merge output desired.
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    Downloads: 260 This Week
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  • 6
    The Digital Forensic Tool Testing (DFTT) project creates test images for digital forensic acquisition and analysis tools. These images can be used by a tool developers and owners to test their software.
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    Downloads: 789 This Week
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  • 7
    pngcrush and other tools for manipulating PNG (Portable Network Graphics) and MNG (Multiple-image Network Graphics) files.
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    Downloads: 1,006 This Week
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  • 8
    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: 202 This Week
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  • 9
    LibreNMS

    LibreNMS

    Community-based GPL-licensed network monitoring system

    Welcome to LibreNMS, a fully featured network monitoring system that provides a wealth of features and device support. LibreNMS is an auto-discovering PHP/MySQL/SNMP-based network monitoring that includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP, and many more.
    Downloads: 23 This Week
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  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
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  • 10
    Tickets CAD (Open ISES)
    Free, open source Computer Aided Dispatch for volunteer fire departments, ARES/RACES, CERT teams, EMS, search & rescue, and campus security. 30+ years of real-world use. Zero cost. Self-hosted.
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    Downloads: 139 This Week
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  • 11
    DIET-PC (DIskless Embedded Technology Personal Computer) is a software kitset enabling IT professionals to build an open source GUI appliance based on commodity x86 (PC), PowerPC (Mac) or ARM (handheld) hardware, using an embedded Linux methodology.
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    Downloads: 152 This Week
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  • 12
    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: 88 This Week
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  • 13
    SIGAR (System Information Gatherer and Reporter) is a cross-platform, cross-language library and command-line tool for accessing operating system and hardware level information in Java, Perl and .NET.
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    Downloads: 120 This Week
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  • 14
    libmylcd is a frame & font rendering library and toolkit designed to provide low level access to 2D hardware via a video framebuffer. Supported devices include SED133x, T6963C, PCD8544, S1D15G10, USBD480, PCF8833, PCF8814, USB13700, S1D15G14.
    Downloads: 93 This Week
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  • 15
    KodExplorer

    KodExplorer

    A web based file manager, web IDE / browser based code editor

    KodExplorer is a file manager for the web. It is also a web code editor, which allows you to develop websites directly within the web browser. You can run KodExplorer either online or locally, on Linux, Windows, or Mac-based platforms. The only requirement is to have PHP 5 available. Use experience like operating system, Rich context menu, and toolbar, drag, and drop, shortcut keys. All operations with files and folders on a remote server (copy, cut, paste, move, remove, upload, create folder/file, rename, etc.) Flexible configuration of access rights, file types restriction, user, interface and others. Selectable files & folders support (mouse click & Ctrl & Shift & words & Keyboard shortcuts). Background file upload with Drag & Drop HTML5 support; Folder upload with Chrome, Firefox and Edge. Direct extraction to the current working directory.
    Downloads: 12 This Week
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  • 16
    SocketTest - powerful and small software tool for socket testing. It can create both TCP and UDP client or server. It can be used to test any server or client that uses TCP or UDP protocol to communicate.
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    Downloads: 55 This Week
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  • 17
    Amoeba is a proxy that sits between your client and DB server(s) that can monitor, analyze or transform their communication. written in java. 1.load balancing 2、failover; 3、queries Route.projects:amoeba for mysql ,for mongodb,for aladdin
    Downloads: 48 This Week
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  • 18
    Eagle Mode

    Eagle Mode

    Zoomable user interface (ZUI) with file manager, file viewers and more

    Eagle Mode is a zoomable user interface (ZUI) with file manager, file viewers, games, and more. This project is about a futuristic style of human-computer interaction, where the user can visit almost everything simply by zooming in. It features a portable C++ toolkit API for developing such ZUIs, and it features the Eagle Mode application, which provides a virtual cosmos with plugin applications. The most important one is the professional file manager with its rich, scriptable command set. It integrates file viewers for most of the common file types, as well as an audio and video player. Furthermore, the virtual cosmos contains a chess game, a netwalk game, a 3D minesweeper game, a multi-function clock, a stock watchlist, some fractals, and a Linux kernel configurator in form of a kernel patch.
    Downloads: 38 This Week
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  • 19
    Log Viewer

    Log Viewer

    Fast and beautiful Log Viewer for Laravel

    Beautiful, fast, and open-source viewer for your app logs. Forget scrolling through raw log files to find the errors or debug logs you're looking for. Forget about SSH'ing onto the production server just to read the logs. Log Viewer helps you quickly and clearly see individual log entries, to search, filter, and make sense of your Laravel logs fast. It is free and easy to install.
    Downloads: 7 This Week
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  • 20
    Publish your junit test report in pdf format. Plug and Play integration. Home page: http://junitpdfreport.sourceforge.net/
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    Downloads: 86 This Week
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  • 21
    PC-BASIC - a GW-BASIC emulator

    PC-BASIC - a GW-BASIC emulator

    A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC

    PC-BASIC is a free, cross-platform interpreter for GW-BASIC, BASICA, PCjr Cartridge Basic and Tandy 1000 GWBASIC. -- This page is an archive and hosts the legacy version 1.2 of PC-BASIC only. -- For documentation and the latest releases, please see the official homepage: www.pc-basic.org Four source code, discussions and to report bugs please see the GitHub project page https://github.com/robhagemans/pcbasic
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    Downloads: 131 This Week
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  • 22

    ISAM File handler

    ISAM file handler compatible with the leading commercial ISAM

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    Downloads: 31 This Week
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  • 23
    searchmonkey

    searchmonkey

    Powerful desktop search app for Windows, Linux and Mac

    Power searching on your desktop without the pain. Perform powerful desktop searches without having to index your system using regular expressions. Graphical equivalent to find/grep. Available for Windows (JAVA) and Linux (Gnome & KDE) and easy to translate into your locale.
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    Downloads: 24 This Week
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  • 24
    Joone is a neural net framework written in Java(tm). It's composed by a core engine, a GUI editor and a distributed training environment and can be extended by writing new modules to implement new algorithms or architectures starting from base component
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    Downloads: 21 This Week
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  • 25

    RecordEditor

    Editor for Fixed Width, Csv and Existing Xml files.

    The RecordEditor is a Data File editor for Flat Files (delimited and fixed field position). It supports Unix / PC / Legacy (e.g. Mainframe) file formats, both Text and binary files. The Editor uses a Record-Layout description to format the files. This is ideal for Fixed width (Text or Binary) files, Cobol Data Files, Mainframe files and complicated Csv files. Cobol Copybooks can be used to format Cobol Data files. As well as an editor, The following utilities are supplied * Formatted Compare * File Copy and reformat Utility * FileWizard this is use to work out the format of a File. It can generally find both Text and binary / packed deicimal fields in a file For Simple Csv you should look at its sister project reCsvEditor. Note: The core Editor code is also used in the "Protocol buffers editor" and "Avro Editor"
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    Downloads: 17 This Week
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