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

  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

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    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 1
    libusb

    libusb

    A cross-platform library that gives apps easy access to USB devices

    Library to enable user space application programs to communicate with USB devices
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    Downloads: 4,080 This Week
    Last Update:
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  • 2
    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: 227 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: 181 This Week
    Last Update:
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  • 4
    File system/directory monitoring utilities with loggin and task processing support (can execute files or make a WCF service call). Multiple configuration options. Source code libraries can be used to create a custom file system monitor.
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    Downloads: 27 This Week
    Last Update:
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 5

    ISAM File handler

    ISAM file handler compatible with the leading commercial ISAM

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    Downloads: 17 This Week
    Last Update:
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  • 6
    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
    Downloads: 10 This Week
    Last Update:
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  • 7
    Orbada - Database manager

    Orbada - Database manager

    Database SQL, query tool, using JDBC for Oracle,SQLite,PostgreSQL,etc

    ORBADA is a database, SQL, query client using JDBC drivers. It is a tool to administrate and manage database structure. It Is for Oracle, SQLite, Firebird, HSQLDB, DerbyDB, MySQL, PostgreSQL and other databases.
    Downloads: 12 This Week
    Last Update:
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  • 8
    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: 10 This Week
    Last Update:
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  • 9

    PHP - Net_RouterOS

    A client for the MikroTik RouterOS API protocol, written in PHP.

    A client for the MikroTik RouterOS API protocol, written in PHP. Easy, tested and documented. All feedback welcomed.
    Downloads: 9 This Week
    Last Update:
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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.

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  • 10
    Atricore’s JOSSO is an open source and commercially supported Internet Single Sign-On (FSSO) solution for point-and-click and standards-based (SAML2) Internet-scale SSO implementations. For more information contact us at : http://www.josso.org
    Downloads: 7 This Week
    Last Update:
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  • 11
    Avis is a multicast event bus. It provides a fast, publish/subscribe event routing service compatible with the commercial Elvin implementation developed by Mantara Software.
    Downloads: 17 This Week
    Last Update:
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  • 12
    HyperPool
    HyperPool is a 100% pure Java project for network services management. TCP (HTTP/1.1, HTTPS, FTP, SMTP, POP3), UDP and SOCKS5 protocols support. Configurations: proxy, web server, mail server, download manager, port mapping.
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    Downloads: 17 This Week
    Last Update:
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  • 13

    UnboundID LDAP SDK for Java

    A Java-based LDAP API

    A fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication.
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    Downloads: 3 This Week
    Last Update:
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  • 14
    SuperWaba is a Virtual Machine for handhelds. Runs in PalmOS, Windows CE, Win32, and is fully emulated under JDK/browser. Supports Exceptions, has a complete set of UI controls (Palm/WinCE), double and long, grayscale/color, sockets/serial/IR/Bluetooth
    Downloads: 10 This Week
    Last Update:
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  • 15
    The goal of this project is to make possible to access Progress database from any external program that can use sockets. The server (broker and agents) are written in Progress 4GL and made use of sockets capabilities of Progress V9.
    Downloads: 8 This Week
    Last Update:
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  • 16
    A set of C language API's and firmware applications that manage access to the Digitrax LocoNet and the core hardware resources of the Atmel AVR family of devices, to allow custom embedded LocoNet devices to be developed using GCC
    Downloads: 6 This Week
    Last Update:
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  • 17
    Jcapi will open the world of ISDN (Integrated Services Digital Network) programming to Java developers.
    Downloads: 4 This Week
    Last Update:
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  • 18
    NetworkTools has 2 components: A protocol analyzer which plays a TCP client or server or pipeline, which sits between a client and server and shows how they communicate. A port scanner can scan a range of IP addresses and ports. See screenshots.
    Downloads: 4 This Week
    Last Update:
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  • 19
    dbViZ is a Java application that allows users to easily visualize existing database schemas. Unlike ER-diagrams, dbViZ diagrams are lower level, describing the exact structure of the schema, yet they're customizable so users can focus on what they want.
    Downloads: 4 This Week
    Last Update:
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  • 20
    IIOP.NET allows a seamless interoperation between .NET, CORBA and J2EE distributed objects. This is done by incorporating CORBA/IIOP support into .NET, leveraging the remoting framework.
    Downloads: 2 This Week
    Last Update:
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  • 21
    RealmForge (now Visual3D Game Engine)

    RealmForge (now Visual3D Game Engine)

    1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor

    The first 3D game engine built in C# for .NET, predecessor to the Visual3D Game Engine (https://www.poweraccess.net/visual3d-game-engine), an All-in-One Game Development Tool for Next-Gen 3D Games, MMOs, Simulations and Virtual Worlds powered by Microsoft XNA.
    Downloads: 2 This Week
    Last Update:
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  • 22
    VJDBC (Virtual JDBC) is a JDBC type 3 driver which provides efficient tunneling of JDBC commands/results over different communication protocols (RMI, HTTP, HTTPS ...).
    Leader badge
    Downloads: 3 This Week
    Last Update:
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  • 23
    lilith
    Lilith is a logging and access event viewer for Logback, log4j & java.util.logging. It has features comparable to Chainsaw for log4j. This means that it can receive logging events from remote applications using Logback as their logging backend
    Downloads: 1 This Week
    Last Update:
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  • 24
    omniEvents is an implementation of the OMG Event Services Specification v1.1 for omniORB, a CORBA Object Request Broker for C++ and Python.
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    Downloads: 1 This Week
    Last Update:
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  • 25
    The Multi-Simulator Interface (MSI) is a simulation interconnection engine. It connects simulations by synchronizing their clocks and data. It is a light-weight HLA alternative.
    Downloads: 2 This Week
    Last Update:
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