The official repo for the design of the C# programming language
A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.
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C# pure functional programming framework - come and get declarative!
Canonical actor model implementation for .NET with local + distributed actors in C# and F#.
Fast, free and customizable picture viewer
Dafny is a verification-aware programming language
Power Fx low-code programming language
A command line C# REPL with syntax highlighting β explore the language, libraries and nuget packages interactively.
An asynchronous, persistent key-value store for .NET desktop and mobile applications, backed by SQLite. Suited to both durable data such as user settings and cached data that expires, with optional encryption and System.Text.Json serialization.
Next generation API for .NET
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha
Reactive collections based on Rx.Net
Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets
C# bindings for raylib, a simple and easy-to-use library to learn videogames programming
The Boo Programming Language.
C# discriminated union source generator
Sodium - Functional Reactive Programming (FRP) Library for multiple languages
DevArchitecture Backend Project
A cross-platform sample application built with ReactiveUI. Camelotia is a file manager for cloud storage providers and local file systems, demonstrating reactive MVVM architecture, testable view models and shared code across desktop UI frameworks.
A native .NET LLM inference engine and agent runtime for GGUF models. TensorSharp provides a console application, a web-based chatbot interface, iPhone App, and Ollama/OpenAI-compatible HTTP APIs for programmatic access. It supports Windows/MacOS/iOS/Linux with full GPU capability
A modular node-programming language, program creator, animation system, toolkit, router, and debugger made for VRChat
GSharp Programming Language