Accord.NET - Machine learning, Computer vision, Statistics and general scientific computing for .NET

•    CSharp

The Accord.NET project provides machine learning, statistics, artificial intelligence, computer vision and image processing methods to .NET. It can be used on Microsoft Windows, Xamarin, Unity3D, Windows Store applications, Linux or mobile.

MvvmCross - The

•    CSharp

MvvmCross is a cross-platform MVVM framework. It enables developers to create apps using the MVVM pattern on Xamarin.iOS, Xamarin.Android, Xamarin.Mac, Xamarin.Forms, Universal Windows Platform (UWP) and Windows Presentation Framework (WPF). This allows for better code sharing by allowing you to share behavior and business logic between platforms.MvvmCross is extendable by you. We strive to let as much code be configurable and overridable, to let the developer decide how they want to use the framework. However, the framework is very usable without doing anything.

opencvsharp - .NET Framework wrapper for OpenCV

•    CSharp

Cross platform wrapper of OpenCV for .NET Framework.Old versions of OpenCvSharp is maintained in opencvsharp_2410.

Bridge - :spades: C# to JavaScript compiler

•    Javascript

Bridge.NET is an open source C#-to-JavaScript Compiler. Write your application in C# and run on billions of devices.Compile your C#...

Paket - A dependency manager for .NET with support for NuGet packages and Git repositories.

•    F#

A dependency manager for .NET with support for NuGet packages and git repositories.NuGet does not separate out the concept of transitive dependencies. If you install a package into your project and that package has further dependencies then all transitive packages are included in the packages.config. There is no way to tell which packages are only transitive dependencies.

MassTransit - Distributed Application Framework for .NET

•    CSharp

MassTransit is a lightweight message bus for creating distributed applications using the .NET framework. MassTransit provides an extensive set of features on top existing message transports, resulting in a developer friendly way to asynchronously connect services using message-based conversation patterns. Message-based communication is a reliable and scalable way to implement a service oriented architecture.

Cake - (C# Make) is a cross platform build automation system

•    CSharp

Cake (C# Make) is a build automation system with a C# DSL to do things like compiling code, copy files/folders, running unit tests, compress files and build NuGet packages. Cake is built on top of the Roslyn compiler which enables you to write your build scripts in C#. It supports the most common tools used during builds such as MSBuild, MSTest, xUnit, NUnit, NuGet, ILMerge, WiX and SignTool out of the box.

WeiXinMPSDK - 微信公众平台SDK Senparc

•    CSharp

微信公众平台SDK Senparc.Weixin for C#，支持.NET Framework及.NET Core。已支持微信公众号、小程序、小游戏、企业号、企业微信、开放平台、微信支付、JSSDK、微信周边等全平台。 WeChat SDK for C#.

EventFlow - Async/await first CQRS+ES and DDD framework for .NET

•    CSharp

EventFlow is a basic CQRS+ES framework designed to be easy to use. Have a look at our getting started guide, the do’s and don’ts and the FAQ.

SteamKit - SteamKit2 is a

•    CSharp

SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network. Starting with version 1.2.2, SteamKit2 is distributed as a NuGet package.

MSBuildStructuredLog - A logger for MSBuild that records a structured representation of executed targets, tasks, property and item values

•    CSharp

A logger for MSBuild that records a structured representation of executed targets, tasks, property and item values. It can greatly simplify build investigations and providers a portable log interchange format and a rich interactive log viewer app.The app updates automatically via Squirrel (after launch it checks for updates in background), next launch starts the newly downloaded latest version.

ClosedXML - ClosedXML makes it easier for developers to create Excel 2007+ (

•    CSharp

ClosedXML makes it easier for developers to create Excel 2007+ (.xlsx, .xlsm, etc) files. It provides a nice object oriented way to manipulate the files (similar to VBA) without dealing with the hassles of XML Documents. It can be used by any .NET language like C# and Visual Basic (VB).ClosedXML allows you to create Excel 2007+ (.xlsx, .xlsm, etc) files without the Excel application. The typical example is creating Excel reports on a web server.

fo-dicom - Fellow Oak DICOM for .NET, .NET Core, Universal Windows, Android, iOS, Mono and Unity

•    CSharp

If fo-dicom is a vital component in your open-source or commercial application and/or you want to contribute to its continued success, please consider making a small monetary contribution. This library is licensed under the Microsoft Public License (MS-PL). See License.txt for more information.

ini-parser - Read/Write an INI file the easy way!

•    CSharp

A .NET, Mono and Unity3d compatible(*) library for reading/writing INI data from IO streams, file streams, and strings written in C#. Also implements merging operations, both for complete ini files, sections, or even just a subset of the keys contained by the files.

vk - Vkontakte API for .NET

•    CSharp

Vkontakte API for .NET

XamarinMediaManager - Cross platform Xamarin plugin to play and control Audio and Video from PCL

•    CSharp

Call MediaManager.Current from any .Net library or Xamarin project to gain access to APIs. See Sample for more details.

cron-expression-descriptor - A

•    CSharp

A .NET library that converts cron expressions into human readable descriptions. Cron Expression Descriptor releases can be installed with NuGet.

AngouriMath - Open-source cross-platform symbolic algebra library for C# and F#

•    CSharp

Note, that all tests and builds are tested for the following three operating systems: Windows, Ubuntu, Mac OS.

ChartJs.Blazor - Brings Chart.js charts to Blazor

•    CSharp

This is a Blazor library that wraps Chart.js. You can use it in both client- and server-side projects. Don't know what Blazor is? Read this.

Sidewinder

Sidewinder provides a simple framework to deploy runtime application updates via a NuGet package. Bundle your update or new application components into a NuGet package, upload it to a NuGet feed (official, MyGet or your own) and Sidewinder will detect it, download it and unpac...