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.

  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 1
    Ufficio Zero Linux OS

    Ufficio Zero Linux OS

    Linux Desktop OS for professionals

    Ufficio Zero Linux OS is a desktop operating system offered in many versions based on PCLinuxOS, Linux Mint and Devuan. We also have created Duplica, a Bare Metal Restore Solution. This distro has many packages for professional use. The project is managed by the Italian company SIITE SRLS and promoted by the Italian Association Boost Media APS. Ufficio Zero Linux OS is trademarked through the Linux Mark Institute. All rights reserved. Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries. website https://ufficiozero.org forum https://forum.ufficiozero.org wiki https://wiki.ufficiozero.org Follow us on our socials https://l.devol.it/@ufficiozero Boost Media APS https://boostmedia.it
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    Downloads: 51,715 This Week
    Last Update:
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  • 2
    Zero Install
    Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
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    Downloads: 1,922 This Week
    Last Update:
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  • 3
    Blood Bank

    Blood Bank

    A BloodBank Administration Software

    This networked(LAN) software is made as an IT solution for a blood bank to support the day-to-day actions. The software is coded using Java language and the UI is implemented with JavaFX. Please concern that this software is developed mainly for educational purpose.
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    Downloads: 8 This Week
    Last Update:
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  • 4
    Agnix is an educational, network operating system kernel. It is ideal starting point to learn about operating systems. The main goal of the project is to provide a network kernel fully compatible with the Linux Kernel in the system call layer
    Downloads: 2 This Week
    Last Update:
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  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • 5
    Pibox

    Pibox

    Images of pre-configured Raspberry Pi operating systems.

    Pre-configured images of my Raspberry Pi operating systems, used for backup essentially, if they help anyone else, good ! These files just need flashing to the appropiately sized SD card and then booting in your Pi, no install needed. You will need to use the dd command if the SD card is the same size as the image, if larger you can flash the SD card with "Startup Disk Creator" or similar. You should be able to login with root/root and in most Raspbian releases pi/raspberry for username/password and then change the passwords for security as well as creating any new users if you plan on using them. Notes specific to each OS will be listed in the relevant README files.
    Downloads: 2 This Week
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  • 6
    EchoDep Hub and Spoke
    ECHO DEPository is a digital preservation research/development project at the Univ. of Ill. Urbana-Champaign in partnership with OCLC and funded by Library of Congress under their National Digital Information Infrastructure Preservation Program (NDIIPP).
    Downloads: 1 This Week
    Last Update:
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  • 7
    microHAL

    microHAL

    Hardware Abstraction Layer for microcontrollers, written in C++11.

    Hardware abstraction layer for microcontrollers. Written in C++14.
    Downloads: 1 This Week
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  • 8
    This educational software simulates an Ad-hoc network with AODV algorithm, it uses a high level view and only works in Routing layer. it has a user-friendly graphical user interface and has been written in java language.
    Downloads: 0 This Week
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  • 9
    Collection of Java tools and packages related to server-side (web application-oriented) XML processing, such as Adaptive XML Inclusions system with demo. Tools for personalization of XML content, Java-XML data binding and others will come later.
    Downloads: 0 This Week
    Last Update:
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  • Nonprofit Budgeting Software Icon
    Nonprofit Budgeting Software

    Martus Solutions provides seamless budgeting, reporting, and forecasting tools that integrate with accounting systems for real-time financial insights

    Martus' collaborative and easy-to-use budgeting and reporting platform will save you hundreds of hours each year. It's designed to make the entire budgeting process easier and create unlimited financial transparency.
    Learn More
  • 10
    This is a sketch for Arduino that allows for the user to have multiple sketches on their Arduino, and then switch between them. For a video go to (coming soon). Requires Arduino 0022 or later to use get Arduino here: www.arduino.cc
    Downloads: 0 This Week
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  • 11
    AIS - Associative Indexing Service, an application for storing bookmarks, memos, indexing of big (lifetime) archives for fast future access to the data by (personalized) keywords. In other words - it is an extension of human associative memory :)
    Downloads: 0 This Week
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  • 12
    Artificial-life and robotics development environment and simulator involving neural networks, 3D physics, vision, and evolutionary programming.
    Downloads: 0 This Week
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  • 13
    java-based complete Agent (Artificial Intelligence) Framework with all the features you might expect in an Agent Framework: Mobility, Autonomy, Distributed communication, Agents can be written in Java, Jython, or Beanshell.
    Downloads: 0 This Week
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  • 14
    FreeSMS is a PHP based application to manage an educational facility of teachers and students alike. It is a teacher and student management system providing marketing, registration, course management, attendance and a student evaluation system.
    Downloads: 0 This Week
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  • 15
    HALT is a developer friendly programming and simulation environment for the Motorola 680x0 family of processors. Targeted at academia, it is centered around ease of use and utility.
    Downloads: 0 This Week
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  • 16
    JSim8086 is platform-independent Assembly Language Simulator of the Intel 8086 CPU. It was designed to be a learning tool (CAL) for first year Computing students who are learning Computer Systems Organisation and Assembly Programming.
    Downloads: 0 This Week
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  • 17
    LCD TFT 240 320 hx8347a SSD1289 sdcard

    LCD TFT 240 320 hx8347a SSD1289 sdcard

    Lcd TFT 320*240 with touchscreen and SdCard

    Sample code for hx8347-A and SSD1289 for 8bits MCU ( begin with Freescale MCU 9s08aw60 with codewarrior V10.x and now Coldfire V1) , print text , draw line , box , circle, scrolling, get coordinates of touchpanel , read BMP file and FATlite drivers from Freescale revised ( FAT16 ). Tested on 9s08aw60 demoboard : http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=DEMO9S08AW60E&fr=g New release with Coldfire V1 Flexis MCF51AC256A (32bits) pins to pins compatible with 9s08aw60
    Downloads: 0 This Week
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  • 18
    The Local Content Server transforms Plone into a robust Learning Object Repository. It supports IMS content package transport, content preview, and object identification and registration.
    Downloads: 0 This Week
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  • 19
    Mstorage

    Mstorage

    MStorage - storage for notes.

    MStorage - storage for notes, it suggest opportunity to save and catalog notes, articles and tips in local drive by directories tree. If you like save you notes in simple text files but you are upset to walk through directories tree every time when you need to find something - this util will help you.
    Downloads: 0 This Week
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  • 20
    The Network Simulation Environment (NOSE) has the capability to virtually create complex networks including different types of operation systems very cost-efficient on a single computer.
    Downloads: 0 This Week
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  • 21
    Nemesis is a tiny real time operating system kernel based on x86 PCs. Its main purpose is to serve as a simple but realistic example of an real time OS kernel running on real hardware..the purpose of this is that it can be embedded in small devices lik
    Downloads: 0 This Week
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  • 22
    Nowiam's job is to ask you, every 15 minutes, what you've done with your time. Helpful for those who need automated nudges to keep their work on track.
    Downloads: 0 This Week
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  • 23
    Prolog+CG is a Java implementation of Prolog with extensions implementing a subset of the Conceptual Graph (CG) theory of John Sowa. CGs are first-class datatypes on a par with terms. Object oriented extensions are also included.
    Downloads: 0 This Week
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  • 24
    A modern and usable interface for the well known neuronal network simulator SNNS. The GUI acts as a client to serveral servers embedding SNNS and supports team work aspects.
    Downloads: 0 This Week
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  • 25
    Web Textual eXtraction Tools C++ Parallel web crawler, noun phrase idenification, Multi-lingual Part of Speech Tagging, Tarjan's Algorithm, Co-RelationShip Mappings...
    Downloads: 0 This Week
    Last Update:
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