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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.

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  • 1
    VeraCrypt

    VeraCrypt

    Open source disk encryption with strong security for the Paranoid

    VeraCrypt is a free disk encryption software brought to you by IDRIX (https://www.idrix.fr) and based on TrueCrypt 7.1a. It adds enhanced security to the algorithms used for system and partitions encryption making it immune to new developments in brute-force attacks. It also solves many vulnerabilities and security issues found in TrueCrypt. This enhanced security adds some delay ONLY to the opening of encrypted partitions without any performance impact to the application use phase. This is acceptable to the legitimate owner but it makes it much harder for an attacker to gain access to the encrypted data. All released files are PGP signed with key ID=0x680D16DE, available on key servers and downloadable at https://www.idrix.fr/VeraCrypt/VeraCrypt_PGP_public_key.asc VeraCrypt can mount TrueCrypt volumes. It also can convert them to VeraCrypt format. Documentation: https://www.veracrypt.fr/en/Documentation.html FAQ : https://www.veracrypt.fr/en/FAQ.html
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    Downloads: 2,295 This Week
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  • 2

    UFTP

    Encrypted UDP based FTP with multicast

    UFTP is an encrypted multicast file transfer program, designed to securely, reliably, and efficiently transfer files to multiple receivers simultaneously. This is useful for distributing large files to a large number of receivers, and is especially useful for data distribution over a satellite link (with two way communication), where the inherent delay makes any TCP based communication highly inefficient. The multicast encryption scheme is based on TLS with extensions to allow multiple receivers to share a common key. UFTP also has the capability to communicate over disjoint networks separated by one or more firewalls (NAT traversal) and without full end-to-end multicast capability (multicast tunneling) through the use of a UFTP proxy server. These proxies also provide scalability by aggregating responses from a group of receivers.
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    Downloads: 1,249 This Week
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  • 3
    FreeRTOS Real Time Kernel (RTOS)

    FreeRTOS Real Time Kernel (RTOS)

    Market leading real time kernel for 40+ microcontroller architectures

    ************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options. Note about support/discussions forum: The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums.
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    Downloads: 445 This Week
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  • 4
    QP Real-Time Event Frameworks & Tools

    QP Real-Time Event Frameworks & Tools

    Real-Time Event Frameworks based on active objects & state machines

    QP real-time event frameworks (RTEFs) provide lightweight, modern, event-driven architecture based on asynchronous Active Objects (Actors) and Hierarchical State Machines. The matching QM model-based design tool and other host-based tools complement the QP frameworks by supporting graphical modeling, code generation, software tracing, and unit testing for event-driven embedded software. Visit https://www.state-machine.com for more information. The QP RTEFs can run on bare-metal microcontrollers, replacing a traditional RTOS. The frameworks contain a selection of built-in real-time kernels (RTOS kernels), such as the cooperative QV kernel, the preemptive non-blocking QK kernel, and the unique preemptive, dual-mode (blocking/non-blocking) QXK kernel. Native QP ports and ready-to-use examples are provided for ARM Cortex-M (M0/M0+/M3/M4/M7/M33/...) as well as other CPUs. The QP RTEFs can also work with many traditional RTOSes and General-Purpose OSes, such as Linux and Windows.
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    Downloads: 157 This Week
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  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

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  • 5
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    Downloads: 193 This Week
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  • 6
    Provenance

    Provenance

    An iOS & tvOS Frontend for Multiple Emulators

    Provenance is an iOS & tvOS frontend for various emulators, supporting multiple Atari, Bandai, NEC, Nintendo, Sega, SNK and Sony console systems. It offers smooth and accurate, full-speed emulation to give you an awesome and genuine playing experience. Provenance is built with a host of awesome features, such as save anywhere and battery saves, controller support, automatic ROM matching and ROM customizations, and many more. Provenance supports a great number of console systems, with more in the works. Start playing your favorite console games on iOS or tvOS now with Provenance!
    Downloads: 18 This Week
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  • 7
    XOOPS Brasil

    XOOPS Brasil

    xoops brasil: themes, templates, modules, tutorial, demo, downloads...

    XOOPS BRASIL, project dedicated to translate ALL existing XOOPS language files into the Portuguese language, maintaining all work always updated, complete and revised, with an emphasis on quality and cultural integrity.
    Downloads: 159 This Week
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  • 8
    Sentry

    Sentry

    Cross-platform application monitoring and error tracking software

    Sentry is a cross-platform, self-hosted error monitoring solution that helps software teams discover, monitor and fix errors in real-time. The most users and logs will have to provide are the clues, and Sentry provides the answers. Sentry offers enhanced application performance monitoring through information-laden stack traces. It lets you build better software faster and more efficiently by showing you all issues in one place and providing the trail of events that lead to errors. It also provides real-time monitoring and data visualization through dashboards. Sentry’s server is in Python, but its API enables for sending events from any language, in any application. More than fifty-thousand companies already ship better software faster thanks to Sentry; let yours be one of them!
    Downloads: 9 This Week
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  • 9
    i-doit - Open Source CMDB & ITSM Tool

    i-doit - Open Source CMDB & ITSM Tool

    ITIL conform CMDB solution for documenting your entire IT landscape

    i-doit is a web based IT documentation and CMDB. i-doit documents IT-systems and their changes, defines emergency plans, displays vital information and helps to ensure a stable and efficient IT operation: The technical documentation: This means that all information can be organised (details flexibly adjusted), stored and maintained in one place. This allows simple Helpdesk, Support and Planning functions and provides the basis for quality assurance and certification. i-doit allows services to be documented as a logical grouping of objects placed in relation to each other. This provides the basis for (ITIL) processes such as Change and Problem Management, helps to control and manage the SLA (Service Level Agreement) or the communication with users. Its interfaces to other ITSM applications (like Nagios, Request Tracker etc.) allow the entering of data only once in the ITSM environment. i-doit maintains one holistic view of the operational situation.
    Downloads: 46 This Week
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  • Cloud data warehouse to power your data-driven innovation Icon
    Cloud data warehouse to power your data-driven innovation

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  • 10
    wolfSSL
    The wolfSSL embedded SSL library (formerly CyaSSL) is a lightweight, portable, C-language-based SSL/TLS library targeted at IoT, embedded, and RTOS environments primarily because of its size, speed, and feature set. It works seamlessly in desktop, enterprise, and cloud environments as well. wolfSSL supports industry standards up to the current TLS 1.2 and DTLS 1.2, is up to 20 times smaller than OpenSSL, offers a simple API, an OpenSSL compatibility layer, OCSP and CRL support, is backed by the robust wolfCrypt cryptography library, and much more. wolfSSL relies on the FIPS 140-2 validated wolfCrypt library for all cryptographic functionality. Visit http://wolfssl.com/wolfSSL/fips.html for more info!
    Downloads: 152 This Week
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  • 11
    M+GUI - A Qt implementation of MameUI
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    Downloads: 138 This Week
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  • 12
    VitalSignsCapture

    VitalSignsCapture

    Download data from medical device interfaces in ICU & Anaesthesia

    A C# .NET app to download or capture data from several medical device interfaces such as Datex AS3 S/5 Anesthesia, Philips Intellivue, GE Dash, Mindray HL7, Spacelabs, Draeger Infinity, Draeger HL7 patient monitors, GE Engstrom, Draeger (MedibusX), Maquet (Servo-i, Servo-U & Flow-i), Puritan Bennett ventilators, Covidien BIS Vista cerebral monitor, Fresenius Agilia, Alaris Carefusion, BBraun Spacecom syringe and volumetric pumps, Roche Cobas ASTM ABG analyzers. Requires Visual Studio 2022, .NET 8 or Visual Studio for Mac to compile. Support for capture from other monitors is planned in future.
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    Downloads: 27 This Week
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  • 13
    Tyrex provides J2EE services for security and authentication, local and distributed transactions, resource configuration and pooling, and TP monitoring.
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    Downloads: 104 This Week
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  • 14
    WiKID Two-Factor Authentication System

    WiKID Two-Factor Authentication System

    Two-factor authentication system

    The WiKID Strong Authentication System is a public-key based two-factor authentication system. It is a flexible, extensible, and secure alternative to tokens, certs and passwords. Application & API support exists for Java, ASP, PHP, Ruby, OpenVPN, TACACS+, etc. Read our eGuide on how to setup your network with two-factor authentication: http://www.wikidsystems.com/learn-more/two-factor-authentication-white-papers
    Downloads: 24 This Week
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  • 15

    ISAM File handler

    ISAM file handler compatible with the leading commercial ISAM

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    Downloads: 14 This Week
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  • 16
    Network Simulator (fork CORE - Live USB)

    Network Simulator (fork CORE - Live USB)

    Live DVD with CORE network simulator

    The Common Open Research Emulator (CORE) is a tool for emulating networks on one or more machines. You can connect these emulated networks to live networks. CORE consists of a GUI for drawing topologies of lightweight virtual machines, and Python modules for scripting network emulation.
    Downloads: 26 This Week
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  • 17
    Blazegraph (powered by bigdata)

    Blazegraph (powered by bigdata)

    Fast, scalable, robust graph database platform

    Blazegraph has moved to Github. Please see https://github.com/blazegraph/database/.
    Downloads: 8 This Week
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  • 18

    littleutils

    Various small and useful command-line utilities

    The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.
    Downloads: 34 This Week
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  • 19
    Ganib | Project Management Software

    Ganib | Project Management Software

    Open Source, tasks, bug tracking, agile scrum, timesheet, wiki

    Ganib gives simpler ways to keep your projects organized and on track. Take advantage of easy features that help you quickstart and makes your team more efficient and productive. Open source Web based online agile project management collaboration software free, J2EE platform, MySql database with project dashboards & reporting. Organized Teams & Projects: Easily plan & manage projects with intuitive features to help your team deliver on time. Quickly focus on what's important, easily select actions to take. Be efficient for everyday work, project tasks, important details, and timelines. Tasks: Set milestones, tasks, subtasks with duration and dependencies to teams better organized. Scrum: Communicate effectively with your team using scrum, wikis & discussions to make better decisions. ​ Timesheet & Tracking: Track the time spent in real time using gTrack desktop tool with desktop screenshots. Bug Tracking: Manage bugs. Demo: http://www.ganib.com
    Downloads: 5 This Week
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  • 20

    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: 6 This Week
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  • 21
    m0n0wall
    m0n0wall is a powerfull Router Application Platform.
    Downloads: 11 This Week
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  • 22
    Ultimate Settings Panel

    Ultimate Settings Panel

    An all in one settings solution for a multitude of configurations.

    An all in one settings solution for a multitude of configuration options in Windows, Office and internet browsers. We have covered the following systems; Windows XP, Vista, 7, 8 & 10 & Outlook 2010 & 2013. Ultimate Settings Panel is a tab based utility giving you the option of selecting from a wide range of different configuration options. So all you have to do is select a tab and click the button for the configuration item that you wish to use. This program also includes Windows God Mode built into it for extra configuration items.
    Downloads: 10 This Week
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  • 23
    Fura is a self-contained grid middleware that allows the grid enablement and distribution of applications on heterogeneous computational resources. Fura features a web-based GUI, wizard-guided installation and configuration, and Web Services compliance.
    Downloads: 9 This Week
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  • 24
    The Host Bus Adapter API (Applications Programming Interface) is a C-level project to manage Fibre Channel Host Bus Adapters.
    Downloads: 8 This Week
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  • 25
    Portable Java Launcher

    Portable Java Launcher

    PJL - Free Cross-Platform Portable Java Launcher for executable files

    PJL - Free Cross-Platform Portable Java Launcher for executable files = jar, exe, etc. Same as Win Portable Start Menu and other launcher programs. Useful thing for USB and others. Simple and intuitive GUI. Using SwiXML excellent framework - https://swixml.org/ , https://github.com/swixml/Two . Need JRE-1.8: https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . Source = https://github.com/harp077/pjl . If you like this - put a star on https://github.com/harp077/pjl/ for support project please.
    Downloads: 5 This Week
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