Community-curated, PR free, self-managing list of awesome .NET goodness. This repo makes sure the list is alive even when I'm dead!

To add a new link, create a new issue and fill in all the information. The link will appear on this page automatically if gets at least 5 likes (👍) or a like from BDFL. To update an existing link, create a new issue with the existing URL; all the information will be replaced. You can also edit and re-open an old issue if you have created it. The links and categories are sorted alphabetically every time this is regenerated. If you have any questions, comments etc., just start a discussion.

• AspNetSaml - Popular SSO/SAML library for ASP.NET.

• Apache Spark for .NET - .NET bindings for Apache Spark for large-scale data processing.
• Deedle - Easy to use .NET library for data and time series manipulation and scientific programming.
• ML.NET - ML.NET is an open source and cross-platform machine learning framework for .NET.

• CliFx - Declarative framework for building command line interfaces with dependency injection and validation support.
• Cocona - Micro-framework for .NET console application. Cocona makes it easy to build console applications with command line parsing.
• Colorful.Console - Style your .NET console output with ease using RGB colors and gradients.
• CommandLineParser - The best C# command line parser that brings standardized *nix getopt style to .NET.
• Crayon - Extremely simple console coloring for .NET applications.
• Gui.cs - Cross-platform Terminal UI toolkit for .NET that makes it easy to build rich console applications.
• Sharprompt - Interactive command-line prompts for .NET Core inspired by Inquirer.js.
• Spectre.Console - A .NET library that makes it easier to create beautiful console applications.
• System.CommandLine - System.CommandLine is a powerful command line parser for building modern CLI applications.

• FastLZMA2Net - Fast LZMA2 Wrapper for .NET. Windows only.
• SharpCompress - Fully managed C# library to deal with many compression types and formats.
• Snappier - Pure C# port of Google's Snappy compression algorithm. It is designed with speed as the primary goal, rather than compression ratio, and is ideal for compressing network traffic.
• Snappy - Uses P/Invoke to C++ for great performance. However, it only works on Windows, and is a bit heap allocation heavy in some cases. It also hasn't been updated since 2014 (as of 10/2020). This project may still be the best choice if your project is on the legacy .NET Framework on Windows, where Snappier is much less performant.
• ZstdSharp - Port of zstd compression library to C#.

• Apache Avro - Apache Avro is a data serialization system with .NET implementation.
• ClosedXML - ClosedXML makes it easier for developers to create Excel 2007+ files.
• CsvHelper - Library to help reading and writing CSV files.
• EPPlus - EPPlus-Excel spreadsheets for .NET.
• ExcelDataReader - Lightweight and fast library for reading Microsoft Excel files.
• FileHelpers - The FileHelpers library for importing/exporting data from fixed length or delimited records in files databases or streams.
• FlatBuffers - Memory efficient serialization library with .NET support.
• Json.NET - Popular high-performance JSON framework for .NET.
• MessagePack - Extremely Fast MessagePack Serializer for C# with built-in LZ4 compression.
• NPOI - .NET library for reading and writing Microsoft Office binary and OOXML file formats.
• Parquet.Net - Fully managed Apache Parquet implementation.
• Protobuf - Google's data interchange format, an official .NET library.
• Protobuf-net - Protocol Buffers library for idiomatic .NET.

• Bogus - A simple fake data generator for C# F# and VB.NET for testing and seeding databases.

• Dapper - Dapper is a simple object mapper for .NET and owns the title of King of Micro ORM in terms of speed.
• Entity Framework Core - EF Core is a modern object-database mapper for .NET. It supports LINQ queries change tracking updates and schema migrations.
• Marten - .NET Transactional Document DB and Event Store on PostgreSQL.
• Npgsql - The .NET data provider for PostgreSQL.
• StackExchange.Redis - General purpose, the most popular Redis client.

• Akka.NET - Canonical actor model implementation for .NET with local and distributed actors.
• EventStore - The stream database optimised for event sourcing.
• MassTransit - Distributed application framework for .NET supporting message-based architectures.
• NEventStore - A persistence library used to abstract different storage implementations when using event sourcing.
• Orleans - Orleans is a cross-platform framework for building distributed applications with .NET.
• Proto.Actor - Cross-platform actor framework for .NET and Go.
• Rebus - Simple and lean service bus implementation for .NET.

• CryEngine - The most powerful game development platform for you and your team to create world-class entertainment experiences.
• Defold - Engine with experimental C# support.
• Evergine - Another decent game engine.
• Falco Engine - Free cross-platform 3D game engine with C# scripting, Bullet physics and OpenAL audio.
• Flat Red Ball - Cross-platform 2D game engine focused on ultimate productivity. Built in .NET.
• Flax Engine - Free cross-platform 3D game engine with C# scripting, Bullet physics and OpenAL audio.
• FNA - Reimplementation of the Microsoft XNA Game Studio 4.0 Refresh libraries.
• Godot - Free, open‑source game engine. Develop your 2D & 3D games, cross-platform projects, or even XR ideas!.
• Hazel Engine - Simple-yet-powerful 3D game engine made by Studio Cherno and volunteers, available for use now with big plans for the future.
• MonoGame - One framework for creating powerful cross-platform games.
• Moonworks - A free cross-platform game development framework.
• Murder Engine - Pixel art ECS game engine.
• NeoAxis - A versatile game engine for creating video games and real-time apps.
• Osu! Framework - A game framework written with osu! (A free-to-win rhythm game) in mind.
• Prowl Engine - An Open Source C# 3D Game Engine under MIT license, inspired by Unity and featuring a complete editor.
• Rebel Fork RBFX - Lightweight Game Engine/Framework in C++17 with WYSIWYG Editor. Experimental C# bindings.
• S&box - Spiritual successor to Garry's Mod and a love letter to Source 2 ❤.
• ShapeEngine - Custom made engine based on the great Raylib Framework. Main focus is being performant and only using draw functions instead of textures.
• SharpGDX - C# Port of libGDX.
• StereoKit - Easy-to-use open source XR library for building AR and VR applications with C# and OpenXR!.
• Stride - Free and open-source cross-platform C# game engine. It is fit for both 2D and 3D games, as well as any other interactive content running on desktop and VR.
• Unity - The most popular game engine in the world.

• JetBrains Rider - The world's most loved .NET and game dev IDE. Now free for non-commercial use.
• LinqPad - The .NET Programmer’s Playground.
• OmniSharp - Makes C# development available in vim, neovim, sublime, emacs, brackets.
• SharpIDE - A modern, cross platform IDE for .NET, built with .NET & Godot.
• Visual Studio - The Greatest. The Most Powerful.
• Visual Studio Code - Free and built on open source. Integrated Git, debugging and extensions. Install C# Dev Kit.

• Castle.Core - About Castle Core, including Castle DynamicProxy, Logging Services and DictionaryAdapter.

• Silverfly - A pratt parser framework.

• Exceptionless - Exceptionless .NET Client for collecting errors events and logs.
• Log4net - Apache log4net is a versatile widely-used logging library for .NET.
• Microsoft.Extensions.Logging - A lightweight and extensible logging API that is a part of ASP.NET Core and can be used in any .NET application.
• NLog - Advanced and Structured Logging for Various .NET Platforms.
• Serilog - Flexible, structured events - log file convenience.
• ZLogger - Zero allocation text/structured logger for .NET with StringInterpolation and Source Generator.

• AudioPlugSharp - Easily create VST (VST3) audio plugins in C# .NET.
• Cscore - About An advanced audio library, written in C#. Provides tons of features. From playing/recording audio to decoding/encoding audio streams/files to processing audio data in realtime (e.g. applying custom effects during playback, create visualizations,...). The possibilities are nearly unlimited.
• NAudio - Audio and MIDI library for .NET.

• AutoMapper - A convention-based object-object mapper in .NET.
• Aviyal - Window manager for windows written purely in C# thats simple, lightweight and portable.
• NodaTime - Noda Time is an alternative date and time API for .NET. It helps you to think about your data more clearly, and express operations on that data more precisely.
• Octokit - .NET SDK in C# for GitHub's standard GitHub.com product.
• Polly - Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry Circuit Breaker Timeout Bulkhead Isolation and Fallback in a fluent and thread-safe manner.
• RestSharp - Simple REST and HTTP API Client for .NET.
• Retroc64 - Programming the Commodore 64 with .NET.

• Fast ULID library, replacement for GUID - ByteAether.Ulid - Universally Unique Lexicographically Sortable Identifiers (ULIDs), designed to be globally unique, sortable, human-readable, and AoT compatible.

• Lua-CSharp - High performance Lua interpreter implemented in C# for .NET and Unity.

• .NET Framework - The original .NET implementation for Windows desktop applications.
• .NET MAUI Runtime - Runtime components for .NET Multi-platform App UI.
• .NET Runtime - .NET is a cross-platform runtime for cloud mobile desktop and IoT apps.
• CoreCLR - The runtime for .NET and includes the Just-In-Time (JIT) compiler called RyuJIT and the GC.
• IL2CPP - Unity's IL2CPP scripting backend converts IL code to C++ for better performance.
• Mono - Mono is an open source implementation of Microsoft's .NET Framework based on the ECMA standards for C# and the Common Language Runtime.
• Mono Runtime - The Mono runtime is a .NET runtime optimized for mobile and gaming scenarios.
• NativeAOT - Ahead-of-time (AOT) compilation support for .NET applications.
• Unity Runtime - Customized .NET runtime used by Unity game engine.
• Xamarin Runtime - Runtime for Xamarin.Android and Xamarin.iOS applications.

• NotNot.AppSettings - Automatically create strongly typed C# settings objects from AppSettings.json.

• Humanizer - Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities.

• DotPeek - Free .NET Decompiler and Assembly Browser.

• .NET Lab - C# and Razor compiler playground in the browser via Blazor WebAssembly.
• OneCompiler - Online compiler with many languages supported, including C#.
• Sharplab - Amazing online compiler dotnet devs can use as a playground.

• BenchmarkDotNet - De facto .NET benchmarking tool.

• Avalonia - Avalonia is a cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems.
• Blazor - Blazor lets you build interactive web UIs using C# instead of JavaScript.
• Eto.Forms - Cross platform GUI framework for desktop and mobile applications in .NET.
• Fabulous - Declarative UI framework for cross-platform mobile & desktop apps using F# and MVU pattern.
• MAUI - .NET Multi-platform App UI for building native mobile and desktop apps with C# and XAML.
• Prism - Prism is a framework for building loosely coupled maintainable and testable XAML applications in WPF Xamarin Forms and Uno Platform.
• ReactiveUI - An advanced composable functional reactive model-view-viewmodel framework for all .NET platforms.
• Uno Platform - Build Mobile Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.
• WinForms - Windows Forms is a .NET UI framework for building Windows desktop applications.
• WPF - WPF is a .NET Core UI framework for building Windows desktop applications.

• MSTest - The official Microsoft Testing Framework. Integrates with VS, VS Code, CLI, pipelines and more.
• XUnit - Free, open source, community-focused unit testing tool for .NET.

• 2023 - .NET Conf 2023.
• 2024 - .NET Conf 2024.
• 2025 - .NET Conf 2025.

• .NET Foundation - The heartbeat of .NET - where projects and communities come together to get things done in our open-source world.
• Dotnet - The official .NET YouTube channel.
• NDC Conferences - High-end events for software developers.