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

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  • 1
    Michel Max - WPF Color Picker

    Michel Max - WPF Color Picker

    Michel Max - WPF Color Picker

    The Michel Max - WPF Color Picker is a Control for color selection in WPF applications, with three layout options being "Spherical", "Rounded" or "Squered". Libary and Example available.
    Downloads: 0 This Week
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  • 2
    Michel Max Spread - XLSX Loader/Creator

    Michel Max Spread - XLSX Loader/Creator

    Michel Max MMSpread is an API XLSX files without the MS Excel ins...

    The Michel Max - MMSpread is an API to generate XLSX Spreadsheets without having the Microsoft Excel installed in the Machine. It allows you to Load XLSX files and edit them, or even create them from nothing, without having annoying alerts when it is open. It supports the following Microsoft Excel items: - All styles (font, border, background, etc). - Validation: List ONLY, and it has to be sequential. - Conditional Formula Formatting. - Comments. - Number Format. Extra Functionalities: - Fill from SQL Data Reader. - Fill from Data Set. - Fill from Data Table. - Sort Spreadsheets by Name. - Save to File. - Save to Byte Array. - Sate to Base64String. - Save to HTML Link - Configurable Temporary Working Path (used in the process of Loading a XLSX File or Creating (Saving) an XLSX File. Note: Example codes available.
    Downloads: 0 This Week
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  • 3
    Microcharts

    Microcharts

    Create cross-platform (Xamarin, Windows, ...) simple charts

    Microcharts is an extremely simple charting library for a wide range of platforms (see Compatibility section below), with shared code and rendering for all of them! This project is just simple drawing on top of the awesome SkiaSharp library. The purpose is not to have an heavily customizable charting library. If you want so, simply fork the code, since all of this is fairly simple. Their is no interaction, nor animation at the moment.
    Downloads: 0 This Week
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  • 4

    Mini.Net.Library

    Utility library

    Mini.Net.Library is a utility library for .Net, containing a comprehensive set of utility functions.
    Downloads: 0 This Week
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  • 5
    ModernWPF UI Library

    ModernWPF UI Library

    Modern styles and controls for your WPF applications

    Modern styles and controls for your WPF applications. Modern styles and new features for the majority of the stock WPF controls. Light and dark themes that can be easily customized. A high contrast theme is also included. Additional controls to help you build modern applications. Some are ported from the Windows UI Library. Targets .NET Framework 4.5+, .NET Core 3+, and .NET 5+. Runs on Windows Vista SP2 and above.
    Downloads: 0 This Week
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  • 6
    MudBlazor

    MudBlazor

    Do more with Blazor, utilizing CSS and keeping Javascript to a minimum

    Trusted by thousands of users, from hobby developers to large enterprises. Use MudBlazor to rapidly build amazing web applications without leaving your loved C# language and toolchain. We bring together everything that's required to build amazing Blazor applications that scale from desktop to mobile. Apart from the library itself we also provide templates, a learning platform, theme manager, demo and example projects as well as an online code editor integrated with our documentation and issue tracking. With more to come. We help companies build amazing apps in record time and let them focus on their business instead of buttons, MudBlazor is battle-tested and one of the fastest-improving platforms, and much more. We started MudBlazor with a simple promise, to empower the developer and fully take advantage of what Blazor offers. With MudBlazor you can create exceptional apps without the burden of mastering HTML, CSS and JS and focus your skillset on C#.
    Downloads: 0 This Week
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  • 7

    Multipurpose .NET 4.0 DatabaseEngine

    .net Database Engine for multiple DB-Types

    DBEngine to connect to multiple DatabaseTypes like MySQL, MSSQL, SDF, XLS, Access 97-2000 (mdb) Access 2007+ (accdb)
    Downloads: 0 This Week
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  • 8
    MvvmCross Plugins DateTimeConverter

    MvvmCross Plugins DateTimeConverter

    A set of date and time converters

    A MvvmCross plugin that provides date and time conversion utilities for cross-platform applications, simplifying time zone and formatting tasks.
    Downloads: 0 This Week
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  • 9
    MvvmTools

    MvvmTools

    A library that provide the following cross platform features

    A library that provides the following cross-platform features: -Direct bind of the events (in your views) to the methods or commands (in your view models) in your XAML code -Creating a preview of your view model at design time -Easy way of creating commands in your view models. MvvmTools is a collection of utilities for accelerating MVVM development in .NET applications, providing ready-to-use components.
    Downloads: 0 This Week
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  • 10
    MvxScaffolding

    MvxScaffolding

    A customizable template used to scaffold a cross-platform MvvmCross

    A customizable template used to scaffold a cross-platform MvvmCross application. Includes a .NET Standard class library. Supports Xamarin Android, Xamarin iOS, and UWP project types for Xamarin Native and Xamarin Forms. Supports MvvmCross 8.0.2.
    Downloads: 0 This Week
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  • 11
    A C# .Net 3.5 Library I created for myself to help with common tasks. Source code can be found at the following address: https://github.com/mhertzfeld/MyClassLibrary2008
    Downloads: 0 This Week
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  • 12
    NReflect is a library to provide an extremly simple way to get a description of all types of an assembly.
    Downloads: 0 This Week
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  • 13
    NSubstitute

    NSubstitute

    A friendly substitute for .NET mocking libraries

    NSubstitute is designed for Arrange-Act-Assert (AAA) testing, so you just need to arrange how it should work, then assert it received the calls you expected once you're done. Because you've got more important code to write than whether you need a mock or a stub. It is an attempt to satisfy our craving for a mocking library with a succinct syntax that helps us keep the focus on the intention of our tests, rather than on the configuration of our test doubles. We've tried to make the most frequently required operations obvious and easy to use, keeping less usual scenarios discoverable and accessible, and all the while maintaining as much natural language as possible. There are already some great mocking libraries around for .NET, so why create another? We found that for all their great features, none of the existing libraries had the succinct syntax we were craving — the code required to configure test doubles quickly obscured the intention behind our tests.
    Downloads: 0 This Week
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  • 14

    Nan.System.Platform

    Platform-level utilities on .NET Framework 4.0 (C#)

    Nan.System.Platform v.1.1 (Beta) Platform-level utilities on .NET Framework 4.0 (C#) NOTE: Requires the MS Visual C++ Run-Time (msvcrt.dll).
    Downloads: 0 This Week
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  • 15
    Nemiro.OAuth

    Nemiro.OAuth

    Class library for authorization via OAuth in .NET Framework

    Nemiro.OAuth is a class library for authorization via OAuth protocol in .NET Framework. The library provides mechanisms for implementing OAuth clients, and also contains a ready-to-use clients for popular websites. The library support OAuth 1.0 and 2.0, and also has ready-to-use OAuth clients for: Amazon, Facebook, GitHub, Google, Microsoft Live, Mail.Ru, Odnoklassniki.ru, Twitter, VKontakte (vk.com), Yandex (yandex.ru).
    Downloads: 0 This Week
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  • 16
    NestProfessor Programmer Edition
    This is a SDK which can nest/layout the part/geometry/polygon on the material or sheet intelligently, you can get the best utilization of the materials, this SDK also support read/write DXF/DWG files and part-in-part nesting. New nesting lagorithm is implenmented, more good to support true shape part or material.
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    Downloads: 0 This Week
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  • 17
    NetTopologySuite

    NetTopologySuite

    A .NET GIS solution that is fast and reliable for the .NET platform.

    A .NET GIS solution that is fast and reliable for the .NET platform. NetTopologySuite is a direct port of all the functionalities offered by JTS Topology Suite: NTS exposes JTS in a '.NET way', for example using Properties, Indexers, etc. The JTS Topology Suite is an API for modeling and manipulating 2-dimensional linear geometry. It provides numerous geometric predicates and functions. JTS conforms to the Simple Features Specification for SQL published by the Open GIS Consortium.
    Downloads: 0 This Week
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  • 18

    Netduino TFT LCD Library

    Netduino library to drive TFT LCD displays based on S6D112 chip

    Downloads: 0 This Week
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  • 19
    NeuronDotNet is a neural network engine written in C#. It provides an interface for advanced AI programmers to design various types of artificial neural networks and use them.
    Downloads: 0 This Week
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  • 20

    New Font picker

    A Font Picker for C# Winforms that shows only True Type Fonts

    New Font Picker is a Font Dialog Control for C# Winforms that automatically filters out Non True Type fonts /Fonts with Invalid MetaData and shows only true type fonts. Since GDI+ Supports only True Type Fonts it throws This is Not a True Type Font' Exception when a non true type font is selected.New Font Picker is the ultimate solution to this problem that developers had been facing.
    Downloads: 0 This Week
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  • 21
    Nextwave Gauge for .Net
    Nextwave Gauge for .Net enables developer to develop circular, linear, digital, knob and slider gauge controls. It is available for download as a free 30-day commercial evaluation, or under the LGPL open source license. Buy now at nextwavesoft.com.
    Downloads: 0 This Week
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  • 22
    Nextwave Gauge for ASP .Net
    Nextwave Gauge for ASP .Net enables developer to develop circular, linear, digital, knob and slider gauge controls. It is available for download as a free 30-day commercial evaluation, or under the LGPL open source license. Buy now at nextwavesoft.com
    Downloads: 0 This Week
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  • 23
    Nixin Log 2

    Nixin Log 2

    This is a small .net library for quick logging.

    We didn't open the old version. In this version,you can use LogFileManager to create a log file path and use the path to create a Log.Then use the Log.WriteInformation that the message were wrote in that file! The library is running on .NET Framework 4.0.
    Downloads: 0 This Week
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  • 24
    Notify.me public APIs and code
    Downloads: 0 This Week
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  • 25
    User-defined internationalized .NET graphical control to facilitate input of numeric values in a text field. Initially, this project is for Windows.Forms forms.
    Downloads: 0 This Week
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