MonoGame - Write Once, Play Everywhere

An Open Source, implementation of the Microsoft XNA 4 Framework. Our goal is to allow XNA developers to target iOS, Android, Windows 8, Mac, Linux and more!

TensorFlowSharp - TensorFlow API for .NET languages

•    CSharp

This surfaces the C API as a strongly-typed .NET API for use from C# and F#.The API binding is pretty much done, and at this point, I am polishing the API to make it more pleasant to use from C# and F# and resolving some of the kinks and TODO-items that I left while I was doing the work.

ServiceStack.Redis - .NET's leading C# Redis Client

•    CSharp

Follow @ServiceStack or join the Google+ Community for updates, or StackOverflow or the Customer Forums for support.Redis Connection strings have been expanded to support the more versatile URI format which is now able to capture most of Redis Client settings in a single connection string (akin to DB Connection strings).

Nancy - Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

•    CSharp

Nancy is a lightweight, low-ceremony, framework for building HTTP based services on .NET Framework/Core and Mono. The goal of the framework is to stay out of the way as much as possible and provide a super-duper-happy-path to all interactions.Nancy is designed to handle DELETE, GET, HEAD, OPTIONS, POST, PUT and PATCH requests and provides a simple, elegant, Domain Specific Language (DSL) for returning a response with just a couple of keystrokes, leaving you with more time to focus on the important bits.. your code and your application.

cecil - Cecil is a library to inspect, modify and generate .NET programs and libraries.

•    CSharp

Mono.Cecil is a library to generate and inspect programs and libraries in the ECMA CIL form.Cecil has been around since 2004 and is widely used in the .NET community.

CppSharp - Tools and libraries to glue C/C++ APIs to high-level languages

•    CSharp

CppSharp is a tool and set of libraries which allows programmers to use C/C++ libraries with high-level programming languages (such as C#).It is a tool that takes C/C++ header and library files and generates the necessary glue to surface the native API as a managed API. Such an API can be used to consume an existing native library in your high-level code or add scripting support to a native codebase.

opencvsharp - .NET Framework wrapper for OpenCV

•    CSharp

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

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.

pythonnet - Python for

•    CSharp

Python for .NET is a package that gives Python programmers nearly seamless integration with the .NET Common Language Runtime (CLR) and provides a powerful application scripting tool for .NET developers. It allows Python code to interact with the CLR, and may also be used to embed Python into a .NET application.Python for .NET allows CLR namespaces to be treated essentially as Python packages.

QuasarRAT - Remote Administration Tool for Windows

•    CSharp

Quasar is a fast and light-weight remote administration tool coded in C#. Providing high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you. Open the project in Visual Studio 2017+ and click build. See below which build configuration to choose.

Quasar - Remote Administration Tool for Windows

•    CSharp

Quasar is a fast and light-weight remote administration tool coded in C#. The usage ranges from user support through day-to-day administrative work to employee monitoring. Providing high stability and an easy-to-use user interface, Quasar is the perfect remote administration solution for you.

qmlnet - Qml.Net - Qt/QML integration/support for .NET

•    CSharp

Checkout the examples on how to do many things with Qml.Net. Register your new type with Qml.

reactor-core - Non-Blocking Reactive Foundation for the JVM

•    Java

Non-Blocking Reactive Streams Foundation for the JVM both implementing a Reactive Extensions inspired API and efficient event streaming support. Reactor 3 requires Java 8 or + to run.

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.

puppeteer-sharp - Headless Chrome .NET API

•    CSharp

Puppeteer Sharp is a .NET port of the official Node.JS Puppeteer API. Some of the best ways to contribute are to try things out file bugs and fix issues.

uno - Build Mobile, Desktop and WebAssembly apps with C# and XAML

•    CSharp

The Uno Platform is a UI Platform for building single-codebase applications for Windows, Web/WebAssembly, iOS, macOS, Android and Linux. It allows C# and Windows XAML code to run on all target platforms, while allowing you control of every pixel. It comes with support for Fluent, Material and Cupertino design systems out of the box. Uno Platform implements a growing number of the UWP APIs, such as Windows.UI.Xaml, to enable UWP and WinUI applications to run on on all platforms with native performance.

STSdb - Embedded .NET Database

•    CSharp

STSdb is an embedded object database system (NoSQL key/value pair storage engine) designed for mission critical and real-time applications. It provides intuitive use and blazing performance. It has transaction support, Snapshots, LINQ, Custom compression and lot more. STSdb is implemented and inter-operate on Windows, Linux, BSD, UNIX, Mac OS X under the Mono platform.

PDFClown - PDF library

•    Java

PDFClown is a PDF library helps to generate, read and edit PDF. It helps to split and merge the PDF documents. It has support to add Images, Fonts, Barcodes, Bookmarks, Annotations, Form fields like checkbox, button, list box etc, Compression, text extraction.

mojoPortal - CMS made easy

•    ASPNET

mojoPortal is a powerful content management, easy to learn, easy to use. It creates standards compliant web pages and content right in the browser. It has support for blogs, Forums, Event Calendar, Google Maps, Photo Galleries, Chat, ecommerce, Secure File Sharing, Newsletter, Surveys, Polls, and much more.

Embeddinator-4000 - Tools to turn

•    CSharp

Embeddinator-4000 is a tool to turn existing .NET libraries into libraries that can be consumed by other languages.It is a tool that takes a .NET assembly and generates the necessary glue to surface the .NET API as a native API. The goal is to surface .NET libraries to all ecosystems where Mono/Xamarin run, and for each platform we provide an interface that is native to that platform as well as the tools needed to turn a .NET library into something that can be consumed on that platform.