Top ARP GitHub Repositories & Tools (2026)

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.

ASP.NET Boilerplate - Web Application Framework

A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.

mRemoteNG is the next generation of mRemote, open source, tabbed, multi-protocol, remote connections manager.

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

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.

A network load-balancer implementation for Kubernetes using standard routing protocols

Distributed Application Framework for .NET

Quartz Enterprise Scheduler .NET

A cross-platform .NET library for IMAP, POP3, and SMTP.

Aspire is the tool for code-first, extensible, observable dev and deploy.

This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

Unified Realtime/API framework for .NET platform and Unity.

Static site generator for .NET API documentation.

Lightweight and fast library written in C# for reading Microsoft Excel files

OpenAPI based HTTP Client code generator