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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

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  • 1
    KeePass

    KeePass

    A lightweight and easy-to-use password manager

    KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details.
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    Downloads: 837,257 This Week
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  • 2
    Bulk Crap Uninstaller

    Bulk Crap Uninstaller

    Remove large amounts of unwanted applications quickly.

    Bulk Crap Uninstaller (in short BCUninstaller or BCU) is a free (as in speech and beer) bulk program uninstaller with advanced automation. It excels at removing large amounts of applications with minimal to no user input, while requiring next to no technical knowledge. It can detect most applications and games (even portable or not registered), clean up leftovers, force uninstall, automatically uninstall according to premade lists, and much more. Bulk Crap Uninstaller is licensed under Apache 2.0 open source license, and can be used in both private and commercial settings for free and with no obligations, as long as no conditions of the license are broken.
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    Downloads: 7,343 This Week
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  • 3
    ODM

    ODM

    Device Manager for ONVIF-based Network video devices.

    ODM is a ONVIF protocol implementation of Network Video Client (NVC) to manage Network Video Transmitters (NVT), Network Video Storage (NVS) and Network Video Analytics (NVA) devices. Implements Discovery, Device, Media, Imaging, Analytics, Events and PTZ services. Write in C# and uses ffmpeg for media decoding.
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    Downloads: 7,527 This Week
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  • 4
    XOutput

    XOutput

    DirectInput to XInput wrapper

    If you have an older or not supported game controller (gamepad, wheel, joystick, etc.), but XBox 360 controllers are supported you can use this software and enjoy gaming with your controller. XOutput is a software that can convert DirectInput into XInput. DirectInput data is read and sent to a virtual XInput (Xbox 360 Controller) device. XInput is the new standard game controller input on windows, and DirectInput can no longer be used with Universal Windows Platform software, but with this tool you can use DirectInput devices as well.
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    Downloads: 5,008 This Week
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

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  • 5
    Pidgin IM

    Pidgin IM

    A universal instant messaging (IM) program

    See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.
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    Downloads: 5,843 This Week
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  • 6
    GUI Turbo Assembler (TASM)

    GUI Turbo Assembler (TASM)

    An essential 32-64bit localized IDE for Assembly Language with Debuger

    GUI Turbo Assembler is an essential IDE for assembly language programming. It includes Borland Turbo Assembler (TASM), Turbo Linker, Turbo Debugger and DOSBox for writing both 16-bit and 32-bit programs in assembly language. GUI Turbo Assembler provides a rich set of features, encompassing fundamental file operations and advanced capabilities such as line numbering, syntax highlighting, code folding, docking, and theme personalization. The interface is highly adaptable, empowering users to modify the environment and configure default settings for Borland Turbo Assembler and Turbo Linker. GUI Turbo Assembler supports localization in seven different languages and enables users to create and utilize their own localized files. Additionally, users have the opportunity to contribute those in the GitHub project. It also packs a terminal which allows user to take complete control of their programming. Additionally, users have the opportunity to contribute those in the GitHub projec
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    Downloads: 1,077 This Week
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  • 7
    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.
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    Downloads: 703 This Week
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  • 8
    NAPS2 - Not Another PDF Scanner

    NAPS2 - Not Another PDF Scanner

    Scan documents to PDF and other file types, as simply as possible.

    Visit NAPS2's home page at www.naps2.com. NAPS2 is a document scanning application with a focus on simplicity and ease of use. Scan your documents from WIA- and TWAIN-compatible scanners, organize the pages as you like, and save them as PDF, TIFF, JPEG, PNG, and other file formats. Available on Windows, Mac, and Linux. NAPS2 is currently available in over 40 different languages. Want to see NAPS2 in your preferred language? Help translate! See the wiki for more details.
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    Downloads: 612 This Week
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  • 9
    Git Extensions

    Git Extensions

    Git Extensions is a standalone UI tool for managing git repositories.

    Git Extensions is now hosted on GitHub ============================== Please update your bookmarks and use the links below for downloading and reporting issues. * Download latest version (Windows only): https://github.com/gitextensions/gitextensions/releases/latest * Download latest cross-platform version (Windows and Linux/Mac): https://github.com/gitextensions/gitextensions/releases/v2.51.05 * Issue tracker: http://github.com/gitextensions/gitextensions/issues * Source code: http://github.com/gitextensions/gitextensions * Online manual: https://git-extensions-documentation.readthedocs.org/en/latest/
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    Downloads: 412 This Week
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

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  • 10
    PNotes
    PNotes is light-weight, flexible, skinnable manager of virtual notes on your desktop. It supports multiple languages, individual note's settings, transparency and scheduling. Absolutely portable as well - no traces in registry. PNotes.NET edition requires .NET framework 4 Client Profile
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    Downloads: 350 This Week
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  • 11
    Ascii Generator 2
    Ascii Generator 2 (Ascgen2) is an application to convert images into high quality ASCII art - text that accurately represents the original image. The only program of its kind to support variable width fonts and real-time output adjustment and more.
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    Downloads: 209 This Week
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  • 12
    Provides optical character recognition (OCR) solutions for Vietnamese language.
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    Downloads: 244 This Week
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  • 13
    GEDKeeper

    GEDKeeper

    GEDKeeper - opensource and crossplatform genealogy management program

    GEDKeeper program is developed for work with personal genealogical database. The program is designed for extremely simple and intuitive interface. The program is very easy to install on the computer, fully supports the GEDCOM format, has no restrictions on the number of persons and generations, allows you to generate pedigrees, building several tree species, as well as print and save their images, provides fast navigation, filtering, searching and adding multimedia materials. In addition there is an output of geographic data on Google maps (© Google). The aim of the program is as quick and effective means of conducting personal genealogical database. We invite native speakers to improve the translation of the program on the Crowdin platform: https://crowdin.com/project/gedkeeper Project is published on GitHub, url: https://github.com/Serg-Norseman/GEDKeeper
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    Downloads: 200 This Week
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  • 14
    ClipAngel

    ClipAngel

    Clipboard history capture and paste tool

    This program belongs to class "Clipboard Manager". It captures many clipboard objects and allows user to select and paste one in any program. Inspired by analogs: ClipDiary, Ditto, AceText. Main priorities: usability, compatibility, reliability. Requires .Net Framework 4.52+ (Windows Vista+/Server 2008+)
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    Downloads: 153 This Week
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  • 15
    NClass
    NClass is a free tool to easily create UML class diagrams with full C# and Java language support.
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    Downloads: 139 This Week
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  • 16
    AntiDupl

    AntiDupl

    Search of similar and defective images on the disk.

    Typically, modern computer users have large collections of images in various formats. And then more these collections, then more likely to have the large number of duplicates. The natural desire of the user is to get rid of them. However, if the collection is large enough, do this manually is a very tedious and unproductive work. AntiDupl.NET program will help you automate this process. It can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP, PNG, EMF, WMF, EXIF, ICON, JP2, PSD, DDS and TGA. The comparison is based on the contents of the files, so the program can find not only almost identical, but similar images. In addition, the program can find images with some types of defects. AntiDupl.NET program is free and open-source software. It is simple to use, has high speed and accuracy of work, supports Russian and English interface.
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    Downloads: 176 This Week
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  • 17
    CompactView

    CompactView

    Viewer for Microsoft® SQL Server® CE database files (sdf).

    CompactView is a viewer for Microsoft® SQL Server® Compact Edition (SQLCE) database files (sdf). This software requires Microsoft® .NET Framework 4.0 to operate.
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    Downloads: 127 This Week
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  • 18
    FCKeditor

    FCKeditor

    FCKeditor (retired)

    FCKeditor is the previous version of CKEditor and has been discontinued after version 2. The new CKEditor is redesigned from the ground up, offering more WYSIWYG text editing features, enhanced security and better integration. Don’t force yourself with retro FCKeditor. Switch to the new, cool CKEditor at ckeditor.com
    Downloads: 35 This Week
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  • 19
    MediaPortal

    MediaPortal

    Turn your PC into a very advanced MediaCenter/HTPC

    MediaPortal turns your PC into a very advanced MediaCenter / HTPC. It allows you to listen to your favorite music & radio, watch and store your videos and DVDs, view, schedule and record live TV as a digital video recorder and much much more
    Downloads: 37 This Week
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  • 20
    Lithology Docker for CorelDraw

    Lithology Docker for CorelDraw

    For the design of geological sections, illustrations

    Telegram chat https://t.me/+cDV5ccIDOJ42OTc6 Telegram group https://t.me/+qvT9A2fX5-c5YWMy YouTube channel https://www.youtube.com/@finich1981 Lithology is a docker for CorelDRAW, which is designed to build geological sections, geological maps, and well mapping schemes. Installation You can use the installer, which is located in the setup folder Or install it manually from the archive in the zip folder There are two folders in the archive Lithology and LithologyResources Copy the Lithology folder to c:\Program Files\Corel\CorelDRAW Graphics Suite XXXX\Programs64\Addons\ Copy the LithologyResources folder to c:\Users \{Your user}\AppData\Roaming\Corel\CorelDRAW Graphics Suite XXXX\Custom Data\ Launch CorelDRAW, open docker from the menu Window-> Windows settings-> Lithology
    Downloads: 92 This Week
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  • 21
    SingleSkin

    SingleSkin

    Software for design single skin kites, speedgliders and paragliders

    All-in-one software for desing single skin paragliders like Ozone XXLite. Allow to modify wing shape, profile, settings. Allow to print sew templates with scale 1:1 in A4 or other small printer's formats. Export sew templates to DXF. Main code writen in Javascript, GUI writen in Visual C# 2010 Express.
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    Downloads: 50 This Week
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  • 22
    Sucrose

    Sucrose

    Sucrose Wallpaper Engine

    Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive wallpapers.
    Downloads: 78 This Week
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  • 23
    OpenCBS

    OpenCBS

    Core Banking System for Microfinance

    Note that OpenCBS Desktop is not developed anymore, it was replaced by OpenCBS Cloud in 2019. You may still download and use the Desktop version for free, but no support can be provided. If you would like to request a Free Trial of OpenCBS Cloud, please follow this link to our website: https://opencbs.com/request_cloud/ OpenCBS Desktop is an open-source Core Banking System developed primarily for microfinance institutions and smaller financial institutions It is built around a robust core extensible through plugins. The core includes user and client management, loan schedule generation, loan tracking, repayment management, savings tracking, reporting. It can be easily integrated with external agents like accounting software, POS terminals, web services, etc.
    Downloads: 45 This Week
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  • 24
    Oblivion Works
    Wrye Bash has moved to Github! Downloads: https://github.com/wrye-bash/wrye-bash/releases Code: https://github.com/wrye-bash/wrye-bash
    Downloads: 24 This Week
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  • 25
    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: 26 This Week
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