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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Scheduling for Home Care Software Icon
    Scheduling for Home Care Software

    Home care agency owners, schedulers, nurses, managers, and caregivers searching for a solution to improve their operations

    Find the right caregiver for any client fast! Our database matches your caregivers with clients by skills, location, and availability. Monitor your leads and referral sources, with a complete history of your activities. You can even link your website to AdaCare's database. Keep records of all your staff, names, addresses, phone numbers, available hours, CEUs, and license expirations. Our "instant timecard" replaces paperwork, and sends alerts if caregivers are late. Less work, and better documentation. Your caregivers can sign in to view their schedules, calendars, maps, and more. Help your caregivers and your office staff. Print and export hours and mileage, for easier billing and payroll. Plus, reports and charts for managing your business. Secure and reliable, and you can work from anywhere, home, office, or in the field. Your caregivers can log in from home and print their own schedules and maps.
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  • 1
    Use Wine (Wine Is Not an Emulator) to run Windows applications on Darwin and Mac OS X.
    Downloads: 37 This Week
    Last Update:
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  • 2

    Core13

    Arduino core for Attiny13

    An Arduino core for the Attiny13 processors designed with small size in mind. *Support*: http://arduino.cc/forum/index.php/topic,89781.0.html Currently supported functions: * = Partial support map() random() randomSeed() millis() micros() delay() delayMicroseconds() * analogRead() analogWrite() pinMode() digitalRead() digitalWrite() pulseIn() (Untested) shiftIn() (Untested) shiftOut() (Untested) If you find any issues be sure to make sure you are using the latest version first.
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    Downloads: 25 This Week
    Last Update:
    See Project
  • 3

    SonicReader

    Sonicwall Configuration File Reader

    SonicReader is used to view and save reports of the internals of a Sonicwall Configuration file. This is useful for those people that wish to know the settings within their saved Sonicwall Configs. I have no affiliation with Dell Sonicwall. Please do not contact Dell Sonicwall regarding the use of this program.
    Downloads: 14 This Week
    Last Update:
    See Project
  • 4
    The Neverhood Restoration
    Be warned this project was discontinued in 2013 and has not been updated in years.
    Downloads: 23 This Week
    Last Update:
    See Project
  • Build experiences that drive engagement and increase transactions Icon
    Build experiences that drive engagement and increase transactions

    Connect your users - doctors, gamers, shoppers, or lovers - wherever they are.

    Sendbird's chat, voice, and video APIs power conversations and communities in hundreds of the most innovative apps and products. Sendbird’s feature-rich platform, and pre-fab UI components make developers more productive. We take care of a ton of operational complexity under the hood, so you can power a rich chat service, and life-like voice, and video experiences, and not worry about features, edge cases, reliability, or scale.
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  • 5
    Teuton Preinstalled Environment (TPE)

    Teuton Preinstalled Environment (TPE)

    Alternative PE to rescue, hack or troubleshoot your machine or network

    TeutonPE is inspired by PortableApps.com combined with a PeBuilder compiled Boot USB / CD. Programs can be used, even when there is no OS installed. BB4win is used for Live Menu and as the default Shell.All Plugins are also BartPE & XPE compatible
    Downloads: 7 This Week
    Last Update:
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  • 6
    MyOS, FLOSS Operating System
    A Free and Open Source Operating System by SamyPesse Version Actuelle: 10.04 Web-Site: http://myos-os.org [French Only]
    Downloads: 7 This Week
    Last Update:
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  • 7
    Driver support for 3D Controller Hardware. We hope to support SDL Input, DirectInput, and other major controller API's including game consoles and embedded systems.
    Downloads: 8 This Week
    Last Update:
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  • 8
    BT-Sim is a BlueTooth simulator on a HCI level. The project alows to develop and test BT applications without using real BT hardware. It works in particular with PalmSource's Palm OS Simulator.
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    Downloads: 8 This Week
    Last Update:
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  • 9
    The GK3 Tools project is a collection of tools and utilities useful for viewing and modifying the Gabriel Knight 3 data files.
    Downloads: 8 This Week
    Last Update:
    See Project
  • Kognition Smart Building Software Icon
    Kognition Smart Building Software

    For organizations searching for enterprise safety and security monitoring AI for smart buildings

    Its multi-patented enterprise software utilizes artificial intelligence to integrate and orchestrate new and existing security cameras, access control systems and IoT sensors into a dynamic, real-time alerting and analytics platform for smart buildings. Kognition’s easy-to-use user interface transforms surveillance video and IoT data into actionable intelligence to prevent hacking, espionage, theft, the spread of diseases, active shooters, and other high impact dangers. A growing list of Fortune 500 customers rely on Kognition’s products & services everyday to enhance and automate security and safety in their buildings.
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  • 10

    Lisu Unicode Keyboard

    Lisu, Keyboard, Unicode, Windows, Mac, Download, Free

    Lisu Unicode Keyboard ( Lisu Keyboard ) For WinXP, Win7 and Mac
    Downloads: 8 This Week
    Last Update:
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  • 11
    Multi-platform Delphi based application to provide a Nintendo Wii-like front-end to the PC. It lets the users launch multimedia files and external applications. Particularly thought as Home-Theatre PC (HTPC) front-end.
    Downloads: 6 This Week
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  • 12
    Simplify is aimed to raise images compressibility by using a reversible blurring algorithm.
    Downloads: 3 This Week
    Last Update:
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  • 13
    iBoot (the Interactive BOOTmenu system) is a set of applications that creates, configures, and manages a startup/boot menu that can boot Mac OS, Linux, and BSD Unix systems for PPC Macs.
    Downloads: 5 This Week
    Last Update:
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  • 14
    This is a network simulator. This is meant to be user friendly as well as feature rich. This field lacks software with good user interface. Even the commercial softwares in this field is quite lame. This aimed to go along Multisim(R) and Blender(R) form
    Downloads: 4 This Week
    Last Update:
    See Project
  • 15
    Oracle Dump Tools
    Downloads: 4 This Week
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  • 16

    PotHead

    PotHead

    PotHead What is it? Pothead: A simple lightweight packet for creating a minimal interaction honeypot How does it work? Magic, Well kinda you don’t need super dupper knowledge to use this! Oops the magic failed ;) a really nice INSTALL.md will be written unfortunately it’s not yet available. 1) Download all the files 2) Check if you got everything 3) Upload and configure the Website and backend (includes/Config.php & the .SQL files) 4) Do not forget to change your APIKEY! 5) Run the python file! Pothead.py -pp 22 23 -site http://YOURSITE.COM/api/write.php -apikey YOURAPIKEY 6) Profit! Is this for anyone? Hmmmm, yes and no I would suggest you know a thing or two about PHP & Python. It’s a pre-release and still in the early alpha stage. Is it safe? It’s pretty safe ;) Does it work? Yeah check it live! http://7ol.eu/view.php
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    A cross-platform tool for converting emulator tape images to and from audio. Ultimately the project aims to support Commodore and Spectrum tape formats.
    Downloads: 4 This Week
    Last Update:
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  • 18
    Nucleus is an Operating system Kernel that is totally different from Linux and Windows. It is easy to understand and implement. It will have native support, small architecture and full VGA support (no text mode).
    Downloads: 2 This Week
    Last Update:
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  • 19

    Opera OS

    The secure and fast operating system with opera, flash player and slit

    the chrome browser has chrome os, firefox has webian. And now, opera has: Opera OS. Opera OS a lightning fast operating system based on slitaz 3.0, the smallest complete distro. Featuring opera, one of the fastest browsers available for linux, and flash player. And all that is packed into just 65 megabytes!
    Downloads: 2 This Week
    Last Update:
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  • 20
    Urdl is a cross-platform C++ library for downloading web content using a URL. It provides an easy-to-use extension to standard C++ iostreams and an asynchronous interface for use with Boost.Asio.
    Downloads: 2 This Week
    Last Update:
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  • 21
    Dreamos is an operating system developed on Sega Dreamcast to be ported to an array of embedded devices. The goal of the project is to be able to run non-ported Unix programs on the Sega Dreamcast and other embedded devices with ease and POSIX compliance
    Downloads: 3 This Week
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  • 22

    JNanoLog

    A tiny (nano) logging API that can replace the largely used System.out

    JNanoLog aims to be used during development process to log different messages to the console. In contrary to the quick System.out, JNanoLog display a full log with the message number, logging level, logged message and details if there is any. This API does not aim to replace large advanced APIs like Log4J which aims production but it can replace it in small and during first stage of development because it does not need any configuration and start with low logging level. The API is hard to extend and does not intend to be extended but it can, with some effort, support other output streams than System.out. To get started : 1. Import the Logger class, 2. Start logging : Logger.quickLog("Hello World!"). No additional configuration is needed.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 23
    Raindrop is a Java based framework based on SEDA (Staged Event Driven Architecture) principles. It focuses on providing highly concurrent server side throughput by managing and controlling Thread usage and concurrency primitives.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24

    Setra

    Password protected zip file cracker.

    Setra is a cross-platform command line utility used to brute-force password protected zip file. It is written in the Python programming language.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25

    json-scada

    A portable SCADA/IoT platform centered on the MongoDB database server.

    Standard IT tools applied to SCADA/IoT (MongoDB, PostgreSQL/TimescaleDB,Node.js, C#, Golang, Grafana, etc.). MongoDB as the real-time core database, persistence layer, config store, SOE historian. Portability and interoperability over Linux, Windows, x86/64, ARM. Horizontal scalability, from a single computer to big clusters (MongoDB-sharding), Bare Metal, Docker containers, VM, cloud, or hybrid deployments. Unlimited tags, servers, and users. HTML5 Web interface. UTF-8/I18N. Protocols: IEC61850 Client, IEC60870-5-101/104 Client and Server, DNP3 Client, OPC-UA Client/Server, MQTT/Sparkplug-B, Telegraf (various data sources for monitoring like Modbus, SNMP, etc.) Github. project https://github.com/riclolsen/json-scada Requirements for Windows Installer: Windows 10/11 64 bits or Server 2016, Windows PowerShell.
    Downloads: 3 This Week
    Last Update:
    See Project
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