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

  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 1
    SystemTrayMenu

    SystemTrayMenu

    SystemTrayMenu - Browse and open your files easily

    SystemTrayMenu is an open source 'Desktop Toolbar' or 'Start Menu' alternative. It offers a clear, personalized menu which can be controlled via keyboard, mouse or touchscreen. Files, links and folders are organized in several levels as dropdown menus. Various options like appearance, hotkey, autostart and behavior can be adjusted. It is written in C# and using .NET 7. SystemTrayMenu is portable, so it does not need to be installed. After downloading the zip file, unzip the folder, then start SystemTrayMenu.exe. After starting the application the first time you have to choose the root directory. In this directory you should put shortcuts, files and folders (App, Game, Script, URL, Network), which you are often using and especially when you can not find them over the windows start menu search. You can also consider to put there all files from your desktop. If you have ideas, questions or a problem you can contact the developer Markus Hofknecht via GitHub or email.
    Downloads: 21 This Week
    Last Update:
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  • 2

    Process Manager for Windows (PMW)

    A easy to use task manager that lets you control your apps

    Process Manager for Windows is a smart Task Manager that lets you manage priority, transparency, visibility of your processes with few clicks. It lets you kill one process or all processes in with just shortcut key and let you gain control of your unresponding windows computer and let you regain all the resources back, of course when killing apps you always have the risk of losing the unsaved data. ================= This tool flourished from 2008 to 2013, and was downloaded over 200K times, However, it was decommissioned in 2013 by the sole developer Arif Ali Saiyed This tool was free with optional donations to milaap.org that raised about $1400 and just that small amount helped 15,372 needy people through microlending and created a new source of income stream for 3401 entrepreneurs. Check out the link below to see the impact you all made by donating. https://milaap.org/users/6877/impact
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    Downloads: 12 This Week
    Last Update:
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  • 3
    FileSearch
    FileSearch is a multi-threaded documents searcher. No indexes need to be updated ; no background service is required. The more you have drives the more search speed is increased thanks to its multi-threading technic.
    Downloads: 15 This Week
    Last Update:
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  • 4
    Little Registry Cleaner
    Little Registry Cleaner is an open source program designed for Microsoft's Windows Registry. Its purpose is to remove obsolete or unwanted items that build up in the registry over time in order to improve the stability & performance of your computer
    Downloads: 7 This Week
    Last Update:
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  • Payments you can rely on to run smarter. Icon
    Payments you can rely on to run smarter.

    Never miss a sale. Square payment processing serves customers better with tools and integrations that make work more efficient.

    Accept payments at your counter or on the go. It’s easy to get started. Try the Square POS app on your phone or pick from a range of hardworking hardware.
    Learn More
  • 5
    BLAZAM

    BLAZAM

    AD Web Management Platform

    Blazam is a web app that lets you manage Active Directory, even from your phone. You can delegate account functions and let your users manage Active Directory objects. Blazam also has user templates, photo management, and recycle bin access. For most up to date info, see https://blazam.org
    Downloads: 1 This Week
    Last Update:
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  • 6
    GateDebugger

    GateDebugger

    Debugging tools for application-to-application communication.

    GateDebugger may be performed free communication using COM port, TCP / IP, UDP and the like. Further, it can be blocked or free communication data and filter.
    Downloads: 0 This Week
    Last Update:
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  • 7
    An SSH client library for .NET written in C#
    Downloads: 0 This Week
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  • 8
    Job Arranger for Zabbix
    Job Arranger for Zabbix is an open source job scheduler for Zabbix is very famous integrated monitoring software. It is an add-on software of Zabbix. Job Arranger for Zabbix uses MySQL/PostgreSQL(same schema of Zabbix Database) to store data. The server and agent are written in C Language. and the client GUI is written in C#. The basic structure of Job Arranger for Zabbix is the same as Zabbix. Job Arranger for Zabbix use the basic information of Zabbix they are the user accounts, roles, host, and etc. Released under the terms of GNU General Public License version 2, Job Arranger for Zabbix is free software. English Web Site http://job-scheduler.fitechforce.com/ http://job-scheduler.fitechforce.com/reference-manual_2.1/ http://job-scheduler.fitechforce.com/install-manual_2.1 http://job-scheduler.fitechforce.com/reference-manual_2.1/ Wikipedia http://en.wikipedia.org/wiki/Job_Arranger_for_Zabbix Japanese Web Site http://xn--yck0c5b3804be7h.fitechfor
    Downloads: 0 This Week
    Last Update:
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  • 9
    This is a package of cmdlets for PowerShell. Currently provided tools are: PStime - a cmdlet to measure the time elapsed by running the specified command. (is similar to GNU time(1)), PSwget - a cmdlet to get the content of the resource specified by URL,
    Downloads: 0 This Week
    Last Update:
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  • AestheticsPro Medical Spa Software Icon
    AestheticsPro Medical Spa Software

    Our new software release will dramatically improve your medspa business performance while enhancing the customer experience

    AestheticsPro is the most complete Aesthetics Software on the market today. HIPAA Cloud Compliant with electronic charting, integrated POS, targeted marketing and results driven reporting; AestheticsPro delivers the tools you need to manage your medical spa business. It is our mission To Provide an All-in-One Cutting Edge Software to the Aesthetics Industry.
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  • 10
    This tool indicates whether the currently activeted window is working along with administrator's privilege or normal user's privilege. This tool runs on Windows Vista (32 bit).
    Downloads: 0 This Week
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  • 11
    Setup Maker

    Setup Maker

    Setup Maker you can create your own setup program.

    Setup Maker you can create your own setup program. Setup Maker is easy to use and is a program that supports multiple languages​​.
    Downloads: 0 This Week
    Last Update:
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  • 12
    Downloads: 0 This Week
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  • 13
    WpfSniffer

    WpfSniffer

    WPF Winsock Sniffer

    This application is a sniffer which captures local IP packets using Socket IO_Control. * .NET 4.5 required * WPF application
    Downloads: 0 This Week
    Last Update:
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