Open Source C# Software for Windows

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

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

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  • 1
    Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.
    Leader badge
    Downloads: 11,454 This Week
    Last Update:
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  • 2
    Eraser

    Eraser

    A security tool to remove sensitive data from your Windows hard drive

    Eraser is a secure data removal tool for Windows. It completely removes sensitive data from your hard drive by overwriting it several times with carefully selected patterns.
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    Downloads: 9,015 This Week
    Last Update:
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  • 3
    CoolProp
    A cross-platform, open-source, alternative to NIST REFPROP. Based on reference-accuracy equations of state and transport property correlations for refrigerants like Water, CO2, R134a, Nitrogen, Argon, Ammonia, Air, R404a, R410a, Propane and many others. A selection of secondary working fluid properties are also available. Can also make use of REFPROP when available. In addition, calculations for Humid Air Properties based on ASHRAE RP-1485 are provided. Wrappers are available for MATLAB, Octave, Python, C#, Fortran and many more.
    Leader badge
    Downloads: 1,409 This Week
    Last Update:
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  • 4
    digiCamControl

    digiCamControl

    Free camera control solution

    digiCamControl is an free and open source software. This allows you to save time by transferring images directly from your camera to your computer as you take each shot and allow to control camera shooting parameters.
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    Downloads: 1,480 This Week
    Last Update:
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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  • 5

    Monitor Profile Switcher

    Save and easily switch between Windows multi monitor configurations

    Save monitor configurations of Windows 7 or 10 and easily switch between them with a click in a popup menu of your taskbar. The tool is designed for users with two or more monitors who in certain situations would like to quickly change their monitor setup (e.g. enable/disable a TV which is attached to the HDMI port, make an attached TV the primary display to remove tearing switch which monitor is on the left/right...). Along the monitor state and setup the resolution is also saved and restored. The program works by saving a current monitor setup as configured using the windows control panel to an xml file. Once saved the configuration can be quickly restored at any time. Requires .NET 4.0 Framework to be installed. The program is quite simple and in an early development stage. It is provided without any warranty. If you accidentally disable all your monitors boot into safe mode to fix the problem. If you like the program say thanks by clicking the Donation link in the menu!
    Leader badge
    Downloads: 782 This Week
    Last Update:
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  • 6
    SharpDevelop

    SharpDevelop

    A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform

    SharpDevelop is the open-source IDE for the .NET platform. Write applications in languages including C#, VB.NET, F#, IronPython and IronRuby, as well as target rich and reach: Windows Forms or WPF, as well as ASP.NET MVC and WCF. It starts from USB drives, supports read-only projects, comes with integrated unit and performance testing tools, Git, NuGet and a lot more features that make you productive as a developer.
    Leader badge
    Downloads: 761 This Week
    Last Update:
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  • 7
    WinLaunch

    WinLaunch

    macOS Launchpad for Windows

    WinLaunch provides a beautiful way to organize and access all of your important applications and documents. The overall style has been heavily influenced by Apples macOS Launchpad. WinLaunch is being actively developed and improved, my goal is to provide the best app launching experience available on Windows. You can now support the development of WinLaunch on Patreon for access to custom themes and priority feature requests https://www.patreon.com/WinLaunch
    Leader badge
    Downloads: 751 This Week
    Last Update:
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  • 8
    libusbK

    libusbK

    A complete software solution for windows usb devices

    libusbK is a complete driver/library solution for vendor class usb device interfaces. If you are a usb developer or usb device manufacturer seeking a driver solution for a new USB widget then libusbK could be for you. libusbK encompasses a 100% WinUSB compatible api/funtion set. All WinUSB power/pipe polices are fully supported by the libusbK driver. In Addition, libusbK has full support for isochronous endpoints and an extensive set of additional modules to simplify development. Source code repository using github: https://github.com/mcuee/libusbk
    Leader badge
    Downloads: 597 This Week
    Last Update:
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  • 9
    QTTabBar is extension for Windows Explorer that brings tabbed browsing to Microsoft's file browser, along with a host of other great features. Under new management! Now in public beta!
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    Downloads: 294 This Week
    Last Update:
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  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

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  • 10
    RED searches and deletes empty directories recursively below a given start folder and shows the result in a well arranged tree. Further you can create some custom rules for keeping and deleting folders. Empty files in directories can also be ignored.
    Leader badge
    Downloads: 345 This Week
    Last Update:
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  • 11
    RoboMirror's aim is to provide a very simple and user-centered GUI for Robocopy to allow for easy synchronization of two directory trees, e.g., to perform a robust incremental backup, both locally (e.g., to an external hard disk) and across the network. Additionally, RoboMirror supports volume shadow copies. By using shadow copies, all files can be copied, including files locked by running processes (Outlook, SQL Server...).
    Leader badge
    Downloads: 303 This Week
    Last Update:
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  • 12
    LibUsbDotNet C# USB Library
    .NET C# USB library for WinUSB, LibUsb-Win32, and libusb-1.0. Using the common device classes, applications work with all operating systems and drivers without modification. Lots of example code. Open source software at sourceforge.net.
    Leader badge
    Downloads: 201 This Week
    Last Update:
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  • 13
    IsoCreator (could also be called Folder-to-ISO or Directory-to-ISO) C#.NET 2.0 application which creates ISO 9660 Joliet CD images from a given folder or volume. Can also create ISO with virtual files, given a tree representing a directory structure.
    Leader badge
    Downloads: 151 This Week
    Last Update:
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  • 14
    An open-source emulator for the 3DO Game Console.
    Leader badge
    Downloads: 184 This Week
    Last Update:
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  • 15

    IEDExplorer

    IEC61850 IED Explorer in .net

    IEDExplorer is an IEC 61850 client tool written for testing and educational purposes. IEDExplorer can connect to an IEC61850 device (also called an IED) over MMS (ISO/IEC9506-1 and ISO/IEC 9506-2) communication protocol. The tool is written in pure C# including the MMS ASN.1 parser (based on BinaryNotes ASN.1 tool) and runs in .net environment, on Windows. Linux/Mono support has been lost on the way (volunteers welcome). See Features for what the tool can do for you. I will appreciate your help in testing and extending the tool!
    Leader badge
    Downloads: 180 This Week
    Last Update:
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  • 16
    ChanSort

    ChanSort

    Channel List Editor for Hisense,Samsung,LG,Panasonic and Toshiba TVs

    ChanSort allows you to organize your TV's channel lists on your PC. It supports: * Hisense UHD SMART TVs 2016- (channel.db) * Samsung's series B,C,D,E, F, H and J * most LG's models released 2009-2015 * Panasonic models released 2011-2015 (svl.db or svl.bin) * Toshiba models released 2009-2012 (zip/chmgt.db ) * VDR channels.conf lists REQUIREMENTS: * Microsoft .NET Framework 4.0 (Full) * Microsoft Visual C++ 2010 x86 Redistributable Package * Microsoft Windows XP SP3 or later
    Downloads: 142 This Week
    Last Update:
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  • 17
    EasyModbusTCP/UDP/RTU .NET

    EasyModbusTCP/UDP/RTU .NET

    Modbus TCP, UDP and Modbus RTU client/server library

    Modbus TCP, Modbus UDP and Modbus RTU client/server library for .NET Supports Function Codes: - Read Coils (FC1) - Read Discrete Inputs (FC2) - Read Holding Registers (FC3) - Read Input Registers (FC4) - Write Single Coil (FC5) - Write Single Register (FC6) - Write Multiple Coils (FC15) - Write Multiple Registers (FC16) V5.6: Upload lates version - This will probably the last version for .NET Framework 4.0 - The next Version will be based on new .NET5 and redesigned V5.5: Bugfixes and MQTT Bridge removed V5.0: Major Bugfixes and Event Handlers changed V4.4 HF1: Bugfix excessive CPU-Load Modbus TCP Server V4.4: Bugfix Modbus RTU and MQTT V4.3: Bugfixes Modbus RTU Webview for Modbus Server Simulator and MQTT functionality for Server
    Leader badge
    Downloads: 120 This Week
    Last Update:
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  • 18
    Banish crusty code with the Uncrustify C/C++/C#/D/Java/Pawn source code beautifier. It indents, adds newlines, aligns, etc, and is highly configurable.
    Leader badge
    Downloads: 114 This Week
    Last Update:
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  • 19
    Turn Off Monitor
    This utility is used to turn off monitor for PC, notebook, or netbook which is have monitor. Just run the program, then your monitor will be turned off. Actually this program used for notebook or netbook which is used for conserve the battery.
    Leader badge
    Downloads: 126 This Week
    Last Update:
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  • 20
    SamsChannelEditor

    SamsChannelEditor

    Sort your Samsung TV channels in your PC.

    SamsChannelEditor is a desktop application for editing a channel list from your Samsung TV. Now sorting channels should be much easier.
    Leader badge
    Downloads: 116 This Week
    Last Update:
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  • 21
    Translate plugin for Notepad++. Provides easy text translation to notepad++ users.
    Leader badge
    Downloads: 140 This Week
    Last Update:
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  • 22

    Presage

    the intelligent predictive text entry platform

    Presage (formerly Soothsayer) is an intelligent predictive text entry system. Presage generates predictions by modelling natural language as a combination of redundant information sources. Presage computes probabilities for words which are most likely to be entered next by merging predictions generated by the different predictive algorithms. Presage's modular and extensible architecture allows its language model to be extended and customized to utilize statistical, syntactic, and semantic predictive algorithms. Presage's predictive capabilities are implemented by predictive plugins. Predictive plugins use services provided by the platform to implement multiple prediction techniques.
    Leader badge
    Downloads: 207 This Week
    Last Update:
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  • 23
    AutoWikiBrowser is a semi-automated Wikipedia editor, designed to make tedious, repetitive tasks quicker and easier. For more information, see the project homepage at http://en.wikipedia.org/wiki/Wikipedia:AutoWikiBrowser.
    Leader badge
    Downloads: 66 This Week
    Last Update:
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  • 24

    File Order Randomizer

    For cheap music players: Puts random numbers in front of every file.

    If, like me, you have a car radio or a clock radio which cannot play tracks in random order from your usb stick itself, this application might be useful for you. It generates random numbers and puts them in front of every file in a specified folder. So all you've got to do when you want a new play order for your music tracks is run this application.
    Leader badge
    Downloads: 62 This Week
    Last Update:
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  • 25
    This project was originally a quick and dirty method for me to convert my ebook collection in various formats to a kindle compatible format without worrying about the ebook source type. It takes PDF, Lit, and HTML files and converts them to .mobi.
    Downloads: 56 This Week
    Last Update:
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