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awesome-dotnet

A collection of awesome .NET libraries, tools, frameworks and software
https://github.com/quozd/awesome-dotnet

Last synced: about 9 hours ago
JSON representation

  • API

    • ASP.NET Web API - Framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices
    • Breeze - API framework enabling rich data access by using the OData 3 protocol. Client libraries available for JavaScript and C#.
    • ASP.NET Web API - Framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices
    • Xamarin.Essentials - Xamarin.Essentials provides developers with cross-platform APIs for their mobile applications.
    • FastEndpoints - High-performance middleground between classic ASP.NET Core API controllers and Minimal APIs. Using a REPR ([Request-Endpoint-Response](https://deviq.com/design-patterns/repr-design-pattern)) pattern, this library eliminates the boilerplate and monolithic feel of controllers by improving colocation of code.
    • Telegram.Bot - .NET Client for [Telegram Bot API](https://core.telegram.org/bots/api)
    • TLSharp - It's a perfect fit for any developer who would like to send data directly to Telegram users or write own custom Telegram client.
    • WTelegramClient - Automate a user account on Telegram, using the latest version of [Telegram Client API](https://core.telegram.org/methods)
    • NancyFx - Lightweight, low-ceremony, framework for building HTTP-based services on .NET and Mono
    • Mobius: C# API for Spark - Mobius adds C# language binding to Apache Spark, enabling the implementation of Spark driver code and data processing operations in C#.
    • ServiceStack - Thoughtfully architected, obscenely fast, thoroughly enjoyable web services for all
    • Nelibur - Nelibur is message based web service framework on the pure WCF. Nelibur simplifies creating high-performance and message-based web services and you certainly have all the power of the WCF.
    • WebAPI Contrib - Collection of open source projects to help improve your work with ASP.NET Web API
    • FFImageLoading - Fast & Furious Image Loading - This Library to load images quickly & easily on Xamarin.iOS, Xamarin.Android, Xamarin.Forms, Xamarin.Mac / Xamarin.Tizen and Windows (UWP, WinRT)
    • Ocelot - .NET core API Gateway
    • CommandQuery - Command Query Separation for 🌐ASP.NET Core ⚡AWS Lambda ⚡Azure Functions ⚡Google Cloud Functions 🌐ASP.NET Web API 2

  • Artificial Intelligence

    • AIMLBot (Program#) - A small, fast, standards-compliant yet easily customizable implementation of an AIML (Artificial Intelligence Markup Language) based chatter bot in C#.
    • SIML - Synthetic Intelligence Markup Language, a next generation Chatbot & Digital Assistant Language.
    • AIMLBot (Program#) - A small, fast, standards-compliant yet easily customizable implementation of an AIML (Artificial Intelligence Markup Language) based chatter bot in C#.
    • Mpt-Instruct-DotNet-S - LLM that can generate and explain C# code (and its C# wrapper to run on consumer CPU with 5GB ram+, contains Console and Blazor sample projects)
    • LLamaSharp - C#/.NET Binding of llama.cpp, run LLaMA/GPT model using C# without having to compile lama.cpp.

  • Authentication and Authorization

    • IdentityModel - Helper library for identity & access control in .NET 4.5 and MVC4/Web API.
    • IdentityServer - Extensible OAuth2 and OpenID Connect provider framework.
    • OAuth - A very lightweight library for generating OAuth 1.0a signatures written in C#
    • Stuntman - Stuntman is a library for impersonating users during development leveraging .NET Claims Identity.
    • Topaz - A fine-grained authorization system with .NET SDK.
    • Abblix OIDC Server - A fully certified OpenID Connect server library for .NET by the OpenID Foundation, providing comprehensive support for OAuth2 and OpenID Connect across all profiles. **[$][Free for non-commercial use]**
    • ASP.NET SAML - SAML authentication support for ASP.NET apps
    • openiddict - Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
    • Enforcer - Write fine grained authorization policy in easy-to-read language, and have it compiled to native .NET code **[$]**
    • SAML IdentityServer - Add SAML 2P support to your Duende IdentityServer **[$]**
    • SAML OpenIddict - Add SAML 2P support to your OpenIddict **[$]**

  • Business Intelligence

    • NReco PivotData - in-memory data aggregation/OLAP library, pivot tables generation (render to HTML, exports), ASP.NET pivot builder control **[$][Free for single-deployment/non-SaaS]**
    • FastReport - The open source report generator for .NET Core 2.x/.Net Framework 4.x. FastReport can be used in ASP.NET MVC, Web API applications.

  • CLI

    • Appccelerate - Command Line Parser - A command-line parser with fluent definition syntax, different argument types, required and optional arguments, value restrictions, aliases, type conversion and semi-automatic usage help message composition
    • Gui.cs - Terminal UI toolkit for .NET.
    • spectre.console - A library that makes it easier to create beautiful console applications.
    • Argu - Declarative CLI argument & XML configuration parser for F# applications.
    • CliFx - Declarative framework for building command line interfaces.
    • Typin - Simple to use declarative framework for interactive CLI applications and command line tools (direct mode) that has its roots in CliFx.
    • clipr - A CLI library inspired by Python's argparse that transforms a command line into a strongly-typed object. It supports custom argument types, automated (and localized) help generation, and a variety of ways to store parsed arguments.
    • CliWrap - Wrapper for command line interfaces.
    • Colorful.Console - Colorful console output.
    • CommandDotNet - Model your console app using C# in a composable manner. Define commands with methods. Define subcommands with properties or nested classes. Extensible parsing and command execution.
    • Command Line Parser - The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command-line arguments and related tasks
    • CommandLineUtils - This is a fork of Microsoft.Extensions.CommandLineUtils, which is no longer under active development.
    • CsConsoleFormat - .NET C# library for advanced formatting of console output.
    • Docopt - Command-line interface description language that will make you smile.
    • EntryPoint - Composable CLI Argument Parser for .NET Core & .NET Framework 4.5+.
    • Fluent Command Line Parser - A simple, strongly typed .NET C# command-line parser library using a fluent easy to use interface
    • JustCli - That’s just a quick way to create your own command line tool.
    • Power Args - PowerArgs converts command-line arguments into .NET objects that are easy to program against. It also provides a ton of optional capabilities such as argument validation, auto generated usage, tab completion, and plenty of extensibility
    • ReadLine - A GNU-Readline like library for .NET/.NET Core.
    • RunInfoBuilder - A unique command line parser, utilizing object trees for commands.
    • SharpNetSH - A simple netsh library for C#.

  • CMS

    • Piranha CMS - Piranha is the fun, fast and lightweight .NET framework for developing cms-based web applications with an extra bite. It's built on ASP.NET MVC and Web Pages and is fully compatible with both Visual Studio and WebMatrix. https://piranhacms.org
    • DotNetNuke - DNN Platform is our free, open source web CMS and the foundation of every professional DNN solution. Over 750,000 organizations worldwide have built websites powered by the DNN Platform.
    • BlogEngine.NET - Simple but full featured ASP.NET blog
    • Composite C1 - A web CMS that focus on UX and adaptability
    • mojoPortal - MojoPortal is an extensible, cross database, mobile friendly, web content management system (CMS) and web application framework written in C# ASP.NET
    • N2CMS - Open source, lightweight, code-first CMS able to seamlessly integrate into any MVC project.
    • Orchard - Free, open source, community-focused project aimed at delivering applications and reusable components on the ASP.NET platform
    • Umbraco - Umbraco is a free open source Content Management System built on the ASP.NET platform
    • Squidex - square&cacheSeconds=604800) ![GitHub stars](https://img.shields.io/github/last-commit/Squidex/squidex?style=flat-square&cacheSeconds=86400) - Open source headless CMS and content management hub. https://squidex.io
    • FluentCMS - FluentCMS is open source AI Driven ASP.NET Core Blazor Content Management System (CMS)
    • Piranha CMS - Piranha is the fun, fast and lightweight .NET framework for developing cms-based web applications with an extra bite. It's built on ASP.NET MVC and Web Pages and is fully compatible with both Visual Studio and WebMatrix. https://piranhacms.org

  • Code Analysis and Metrics

    • PVS-Studio - PVS-Studio is a static analyzer on guard of code quality, security (SAST), and code safety. **[[Free for OSS](https://pvs-studio.com/en/order/open-source-license/)]** **[$]**
    • NDepend - is a Visual Studio and VS Team Services extension that estimates your .NET code quality and Technical-Debt, that lets create code rules with C# LINQ syntax, visualize code structure and focus on changes and evolution. **[$]**
    • CodeMaid - Visual studio extension to cleanup, dig through and simplify C#, C++, F#, VB, PHP, JSON, XAML, XML, ASP, HTML, CSS, LESS, SCSS, JavaScript and TypeScript coding.
    • StyleCop - StyleCop analyzes C# source code to enforce a set of style and consistency rules
    • Bencher - Suite of continuous benchmarking tools designed to catch performance regressions in CI.
    • Codinion - Enhanced syntax highlighting for C# and some other "Visual" features. **[$]**
    • NDepend - is a Visual Studio and VS Team Services extension that estimates your .NET code quality and Technical-Debt, that lets create code rules with C# LINQ syntax, visualize code structure and focus on changes and evolution. **[$]**
    • CodeMaid - Visual studio extension to cleanup, dig through and simplify C#, C++, F#, VB, PHP, JSON, XAML, XML, ASP, HTML, CSS, LESS, SCSS, JavaScript and TypeScript coding.
    • .NET Compiler Platform ("Roslyn") Analyzers - A number of Roslyn diagnostic analyzers initially developed to help flesh out the design and implementation of the static analysis APIs.
    • App.Metrics - App Metrics is an open-source and cross-platform .NET library used to record and report metrics within an application and reports it's health. See the [docs](https://www.app-metrics.io/) for me details.
    • Gendarme - Extensible rule-based tool to find problems in .NET applications and libraries
    • Metrics-Net - Capturing CLR and application-level metrics. So you know what's going on.
    • AspNet.Metrics - Capturing CLR, application-level web request metrics. Middleware and extensions using Metrics-Net
    • BenchmarkDotNet - Powerful .NET library for benchmarking.
    • NsDepCop - Static code analysis tool to enforce namespace dependency rules in C# projects.
    • WebBen - Is a tool for benchmarking your Hypertext Transfer Protocol (HTTP) server.
    • Codinion - Enhanced syntax highlighting for C# and some other "Visual" features. **[$]**

  • Code Snippets

    • .NET Fiddle - Write, compile and run C#, F# and VB code in the browser. The .Net equivalent of JSFiddle.
    • Sharplab - Run C# code using different branches and versions of Roslyn, see the IL that was produced and examine the JIT's output.

  • Compilers, Transpilers and Languages

    • Hybridizer - CIL (C#, VB.Net, F#) to CUDA compiler. **[$]**
    • Amplifier.NET - Write and compile your own kernel function using C# and Amplifier will take care of running it on your favorite hardware. Amplifier allows .NET developers to easily run complex applications with intensive mathematical computation on Intel CPU/GPU, NVIDIA, AMD without writing any additional C kernel code.
    • ClojureCLR - A port of Clojure to the CLR, part of the Clojure project
    • IronScheme - R6RS Scheme compiler, runtime and many standard libraries
    • JSIL - CIL to JavaScript Compiler http://jsil.org/
    • Mond - A dynamically typed scripting language written in C# with a REPL, debugger, and simple embedding API.
    • Mono-basic - Visual Basic Compiler and Runtime
    • Nemerle - Nemerle is a high-level statically-typed programming language for the .NET platform. It offers functional, object-oriented and imperative features. It has a simple C#-like syntax and a powerful meta-programming system.
    • Netjs - .NET to TypeScript and JavaScript compiler. Portable Class Libraries work great for this. You can even pass EXEs.
    • P - P is a language for asynchronous event-driven programming.
    • PeachPie - PeachPie is a PHP compiler and runtime for .NET and .NET Core, which allows entire PHP applications to run on the modern, secure and performant .NET and .NET Core platforms.
    • Roslyn - The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs. It enables building code analysis tools with the same APIs that are used by Visual Studio.
    • Testura.Code - Wrapper around the Roslyn API and used for generation, saving and compiling C# code. It provides methods and helpers to generate classes, methods, statements and expressions.
    • VisualFSharp - The Visual F# compiler and tools
    • Fable - F# to JavaScript Compiler
    • LinqOptimizer - An automatic query optimizer-compiler for Sequential and Parallel LINQ
    • Roslyn-linq-rewrite - Compiles C# code by first rewriting the syntax trees of LINQ expressions using plain procedural code, minimizing allocations and dynamic dispatch.
    • Iron python - A python 2 implementation that is integrated with the dot net framework.
    • Lib.Harmony - Rewrite mono and C# methods at the runtime, Either write a method that will be executed, or edit the code of the method in IL, mainly used for game modding.
    • IKVM - A Java Virtual Machine and Bytecode-to-IL Converter for .NET. Execute compiled Java code (bytecode) on .NET Framework or .NET Core.

  • Compression

    • Snappy for Windows - Snappy compression library for .NET baked on P/Invoke
    • SharpCompress - SharpCompress is a compression library for .NET/Mono/Silverlight/WP7 that can unrar, un7zip, unzip, untar unbzip2 and ungzip with forward-only reading and file random access APIs. Write support for zip/tar/bzip2/gzip are implemented
    • DotNetZip.Semverd - An open-source project that delivers a .NET library for handling ZIP files, and some associated tools. (fork of [**Unmaintained** DotNetZip](https://archive.codeplex.com/?p=dotnetzip))
    • SharpZipLib - a Zip, GZip, Tar and BZip2 library written entirely in C# for the .NET platform
    • Snappy.Sharp - An implementation of Google's Snappy compression algorithm in C#.

  • Continuous Integration

    • TeamCity - Ready to work, extensible and developer-friendly build server — out of the box **[$]**
    • AppVeyor - .NET Continuous Integration and Deployment as a service. **[$]** **[Free for OSS]**
    • MyGet - Continuous Integration and Deployment, Hosted Package Repository for NuGet, NPM, Bower and VSIX **[$]**

  • Cryptography

    • HashLib - HashLib is a collection of nearly all hash algorithms you've ever seen, it supports almost everything and is very easy to use
    • libsodium-net - libsodium for .NET - A secure cryptographic library
    • NaCl.Core - A managed-only cryptography library for .NET which provides modern cryptographic primitives.
    • Paseto.Core - A Paseto (Platform-Agnostic Security Tokens) implementation for .NET
    • Pkcs11Interop - Managed .NET wrapper for unmanaged PKCS#11 libraries that provide access to the cryptographic hardware
    • StreamCryptor - Stream encryption & decryption with libsodium and protobuf
    • SecurityDriven.Inferno - .NET crypto library. Professionally audited.
    • CryptoNet - .NET simple crypto library. Native c#.
    • BouncyCastle - Together with the .Net System.Security.Cryptography, the reference implementation for cryptographic algorithms on the CLR.

  • Database Drivers

    • MySQL Connector - Connector/Net is a fully-managed ADO.NET driver for MySQL
    • Firebird.NET - The .NET Data provider is written in C# and provides a high-performance, native implementation of the Firebird API
    • DuckDB.NET - .NET data provider for DuckDB
    • Npgsql - .NET data provider for PostgreSQL
    • MongoDB - Official MongoDB C# driver
    • ServiceStack Redis - .NET's leading C# Redis client
    • StackExchange Redis - General purpose Redis client from StackExchange
    • Cassandra - DataStax .NET driver for Apache Cassandra
    • Couchbase - Official Couchbase .NET client library, based on the Enyim memcached client

  • Decompilation

    • ILSpy - ILSpy is the open-source .NET assembly browser and decompiler
    • JustDecompile Engine - The decompilation engine of [JustDecompile](https://www.telerik.com/products/decompiler.aspx)
    • dotPeek - Free-of-charge standalone tool based on ReSharper's bundled decompiler. It can reliably decompile any .NET assembly into equivalent C# or IL code. It can create Visual Studio solutions based on the original binary files in a straight-forward way. **[Proprietary]** **[Free]**
    • dnSpy - open-source .NET assembly browser, editor, decompiler and debugger
    • dnSpyEx - Unofficial revival of dnSpy

  • Distributed Computing

    • MBrace - Integrated Data Scripting for the Cloud
    • protoactor-dotnet - Proto Actor - Ultra fast distributed actors for Golang and C#
    • .NEXT Raft - Raft implementation for .NET and ASP.NET Core that allows to build clustered microservices powered by distributed consensus and replication
    • Orleankka - Orleankka is a functional API for Microsoft Orleans framework. It is highly suitable for scenarios where having composable, uniform communication interface is preferable, such as: CQRS, event-sourcing, re-routing, FSM, etc. Additional API available for F# called Orleankka.FSharp.
    • Akka.net - Akka.NET is a port of the popular Java/Scala framework Akka to .NET. This is a community-driven port and is not affiliated with Typesafe who makes the original Java/Scala version.
    • Zebus - Zebus is a lightweight, highly versatile, peer-to-peer service bus, built with CQRS principles in mind. It allows applications to communicate with each other in a fast and easy manner. Most of the complexity is hidden in the library and you can focus on writing code that matters to you, not debugging messaging code. A very fundamental base for any distributed application.
    • FsShelter - F# library for authoring [Apache Storm](https://storm.apache.org) components and topologies. Offering high-level abstractions for distributed and fault-tolerant event stream processing.

  • E-Commerce and Payments

    • Paypal Merchant SDK - Official PayPal Merchant SDK for .NET
    • NopCommerce - nopCommerce. Free open-source e-commerce shopping cart (ASP.NET Core)
    • ServiceStack.Stripe - Typed .NET clients for stripe.com REST APIs
    • SmartStoreNET - Free ASP.NET Core MVC e-commerce Shopping Cart Solution
    • Stripe.Net - Stripe.net is a full service .NET API for https://stripe.com/
    • Virto Commerce - Virto Commerce is the second generation release and is the only enterprise level e-commerce product fully available under Open Source license. Virto Commerce is based on .NET 4.5 with extensive use of MVC, IoC, EF, Azure, AngularJS and many other cutting edge technologies. It can be deployed in Microsoft Cloud (Azure), Amazon Web Services (AWS) and on-premise. https://virtocommerce.com
    • SimplCommerce - Super simple ecommerce system built on .NET Core. Simple to use and easy to customize. Thanks to .NET Core, you can run the SimplCommerce on Windows, Linux. With various RDBMS: Microsoft SQL Server, PostgreSQL, MySQL
    • GrandNode - Headless, multi-vendor, multi-tenant, the most advanced open source e-commerce platform based on .NET Core 5.0 and MongoDB.
    • Adyen - The official Adyen Payment API Library for .NET

  • ETL

    • Reactive ETL - Reactive ETL is a rewrite of Rhino ETL using the reactive extensions for .NET
    • Cinchoo ETL - ETL Framework for .NET (Read / Write CSV, Flat, Xml, JSON, Key-Value formatted files)

  • Event aggregator and messenger

    • Rx Event Aggregator - Super-simple Reactive-Extension code from Reactive.EventAggregator
    • Mediator.Net - A simple mediator for .NET for sending command, publishing event and request response with pipelines supported
    • MediatR - Simple, unambitious mediator implementation in .NET
    • TinyMessenger - A lightweight event aggregator/messenger for loosely coupled communication.
    • Xer.Cqrs - A simple library for creating applications based on the CQRS pattern with support for attribute routing and hosted handlers. Developed in C# targeting .NET Standard 1.0.
    • FluentMediator - FluentMediator is an unobtrusive library that allows developers to build custom pipelines for Commands, Queries and Events
    • EventFlow - EventFlow is an Async/await first CQRS and Event Sourcing DDD framework for .NET

  • Extensions

  • Game

    • Stride Game Engine - Stride Game Engine is a 2D/3D cross-platform game engine featuring a scene editor, particles, physically based rendering (PBR), scripting, and much more
    • Wave Engine - Wave engine is a free C# component-based modern game engine which allows you to create cross-platform games supporting Kinect, Oculus Rift, Vuforia, Cardboard, Leap Motion and much more. **[Free][Proprietary]**
    • MonoGame - One framework for creating powerful cross-platform games
    • FNA - FNA is an XNA4 reimplementation that focuses solely on developing a fully accurate XNA4 runtime for the desktop
    • CocosSharp - CocosSharp is a C# implementation of the Cocos2D and Cocos3D APIs that runs on any platform where MonoGame runs
    • Duality - Duality is a 2D game development framework. Focused on modularity, comes with a visual editor.
    • UrhoSharp - UrhoSharp is a C# implementation of the Urho3D game engine that runs on iOS, Mac, Windows, Android and Linux systems
    • Nez - Nez is a free 2D-focused framework that works with MonoGame and FNA
    • BEPUphysics - BEPUphysics is a pure C# 3D physics library
    • Devtodev - A full-cycle analytics solution for game developers.
    • UnrealCLR - Unreal Engine .NET Core integration
    • osu!framework - A 2D application/game written with amazing games in mind.
    • DotRecast - A port of Recast & Detour, navigation mesh toolset for games, Unity3D, servers, C#
    • Foster - Foster is a small cross-platform 2D game framework in C#.
    • Wave Engine - Wave engine is a free C# component-based modern game engine which allows you to create cross-platform games supporting Kinect, Oculus Rift, Vuforia, Cardboard, Leap Motion and much more. **[Free][Proprietary]**
    • Friflo.Engine.ECS - High-performance C# ECS with simple API. Supports .NET, WASM/WebAssembly, Native AOT, Unity, Godot, MonoGame, ...

  • GIS

    • SharpMap - to-use mapping library for use in web and desktop applications
    • OsmSharp - C# library to work with OpenStreetMap (OSM) data. Provides reading, writing and route-planning for OSM data.
    • GeoJSON4EntityFramework - A library to create GeoJSON from Entity Framework Spatial Data or Well-Known Text (WKT) inputs.
    • GeoJSON.NET - .Net library for GeoJSON types & corresponding Json.Net (de)serializers
    • CoordinateSharp - Easily parse or convert coordinate formats and calculate location based solar/lunar information.
    • DEM Net Elevation API - .Net library for Digital Elevation Models, allows 3D terrain generation in glTF / STL format.
    • NetTopologySuite

  • Graphics

    • Oxyplot - OxyPlot is a cross-platform plotting library for .NET
    • Aspose.Drawing - Fully managed, cross-platform, complete 2D graphic library for drawing text, geometries, and images, with System.Drawing compatible API. **[$]**
    • ScottPlot - A plotting library to interactively displays large datasets. Line plots, bar charts, pie graphs, scatter plots, and more. It supports WinForms, WPF, Avalonia, Console.
    • Helix Toolkit - Helix Toolkit is a collection of 3D components for .NET
    • Aspose.Drawing - Fully managed, cross-platform, complete 2D graphic library for drawing text, geometries, and images, with System.Drawing compatible API. **[$]**
    • ScottPlot - A plotting library to interactively displays large datasets. Line plots, bar charts, pie graphs, scatter plots, and more. It supports WinForms, WPF, Avalonia, Console.
    • Helix Toolkit - Helix Toolkit is a collection of 3D components for .NET
    • Silk.NET - A cross-platform, high-performance, low-level .NET Standard wrapper for many advanced APIs such as OpenGL, OpenCL, OpenAL, OpenXR, Assimp, GLFW, as well as many others. In addition to wrapping over Native APIs, it also comes with its own Windowing and Input abstraction. This makes game and application development with Silk.NET a breeze, and has pretty much everything a 3D application developer would need.
    • Veldrid - A low-level, portable graphics and compute library for .NET
    • LibTessDotNet - .NET port of the famous GLU Tessellator, triangulates polygons
    • OpenTK - The Open Toolkit is an advanced, low-level C# library that wraps OpenGL, OpenCL and OpenAL
    • NGraphics - NGraphics is a cross-platform library for rendering vector graphics on .NET
    • LiveCharts2 - Simple, flexible, interactive & powerful charts, maps, and gauges for .Net. LiveCharts2 supports WPF, WinForms, Xamarin, Avalonia, WinUI, UWP.
    • AssimpNet - A cross-platform .NET Standard wrapper for the Open Asset Importer ("Assimp"). The library enables importing, processing, and exporting of 3D models for rendering in graphics/game applications. Over 40 formats are supported for importing (e.g. OBJ, FBX, GLTF, 3DS, Collada) and a subset of those formats can be exported to (e.g. OBJ, GLTF, 3DS, Collada). Mesh processing features allow for mesh data to be generated or optimized for real-time rendering.
    • RealTimeGraphX - RealTimeGraphX is a data type agnostic, high performance plotting library for WPF, UWP and soon, Xamarin Forms.
    • VectSharp - .NET library to create vector graphics and text, and then export it to PDF, SVG and raster image formats.

  • GUI

    • ObjectListView - ObjectListView is a C# wrapper around a .NET ListView. It makes the ListView much easier to use and teaches it some new tricks
    • DockPanelSuite - The Visual Studio inspired docking library for .NET WinForms
    • MaterialDesignInXamlToolkit - Toolkit for creating Material Design styled WPF apps
    • Empty Keys UI - Multi-platform and multi-engine XAML based user interface library **[Free][Proprietary]**
    • Bunifu UI Framework - Carefully crafted Winforms controls and components for creating stunning modern application UI. **[$]**
    • UNO Platform - The only platform for building native mobile, desktop and WebAssembly with C#, XAML from a single codebase. Open source and professionally supported. Website: [platform.uno](https://platform.uno/)
    • ObjectListView - ObjectListView is a C# wrapper around a .NET ListView. It makes the ListView much easier to use and teaches it some new tricks
    • UWP Community Toolkit - The UWP Community Toolkit is a collection of helper functions, custom controls, and app services. It simplifies and demonstrates common developer tasks building UWP apps for Windows 10.
    • Bunifu UI Framework - Carefully crafted Winforms controls and components for creating stunning modern application UI. **[$]**
    • Ookii.Dialogs.Wpf - Enable WPF applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more
    • Ookii.Dialogs.WinForms - Enable Windows Forms applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more
    • HandyControl - Contains some simple and commonly used WPF controls
    • Lara - Lara Web Engine is a library for developing Web user interfaces in C#
    • QtSharp - Mono/.NET Bindings for Qt
    • Qml.Net - A cross-platform Qml/.NET integration for Mono/.NET/.NET Core
    • MahApps.Metro - Toolkit for creating Metro-styled WPF apps
    • Callisto - A control toolkit for Windows 8 XAML applications. Contains some UI controls to make it easier to create Windows UI style apps for the Windows Store in accordance with Windows UI guidelines.

  • Logging

    • Log4Net - The Apache log4net library is a tool to help the programmer output log statements to a variety of output targets
    • ELMAH - Official ELMAH site
    • Loupe - Centralized .NET logging and monitoring. **[Proprietary]** **[Free Tier]**
    • elmah.io - Cloud logging for .NET web applications using ELMAH. Find bugs before you go live. Powerful search, API, integration with Slack, GitHub, Visual Studio and more. **[[Free for OSS](https://elmah.io/sponsorship/opensource)]** **[$]**
    • BugSnag - Logs errors. Includes useful diagnostic info like stack trace, session, release, etc. Has a free tier. **[Free for OSS][$]**
    • Logary - Logary is a high performance, multi-target logging, metric, tracing and health-check library for Mono and .NET. .NET's answer to DropWizard. Supports many targets, built for micro-services.
    • Loupe - Centralized .NET logging and monitoring. **[Proprietary]** **[Free Tier]**
    • elmah.io - Cloud logging for .NET web applications using ELMAH. Find bugs before you go live. Powerful search, API, integration with Slack, GitHub, Visual Studio and more. **[[Free for OSS](https://elmah.io/sponsorship/opensource)]** **[$]**

  • HTML and CSS

    • HtmlAgilityPack - an agile HTML parser that builds a read/write DOM and supports plain XPath or XSLT

  • HTTP

    • Flurl - Fluent, portable, testable REST/HTTP client library
    • Flurl - Fluent, portable, testable REST/HTTP client library

  • IDE

    • Visual Studio Express - The free lightweight version of Visual Studio for .NET programming.
    • Visual Studio Community - A full-featured IDE
    • Visual Studio Code - Excellent open source editor from Microsoft, based on Electron.
    • Ionide - An Atom Editor and Visual Studio Code package suite for cross platform F# development.
    • Rider - A cross-platform C# IDE based on the IntelliJ platform and ReSharper
    • Consulo - A cross-platform IDE with C# & Java support, fork of IntelliJ IDEA Community Edition
    • vvvv - programming environment for .NET **[Free for OSS]**
    • Ionide - An Atom Editor and Visual Studio Code package suite for cross platform F# development.
    • RoslynPad - A simple C# editor based on Roslyn and AvalonEdit.
    • Consulo - A cross-platform IDE with C# & Java support, fork of IntelliJ IDEA Community Edition
    • vvvv - programming environment for .NET **[Free for OSS]**

  • Image Processing

    • ImageResizer - Add commands to image URLs to get altered versions in milliseconds. Resizing, editing etc of images in real-time.
    • DynamicImage - High-performance open-source image manipulation library for ASP.NET.
    • Emgu CV - Cross-platform .NET wrapper for the OpenCV library.
    • SimpleITK - A simplified path to Insight. Open-source multi-dimensional image analysis in Python, R, Java, C#, Lua, Ruby, TCL and C++. Developed by the Insight Toolkit community for the biomedical sciences and beyond.
    • Imgix-CSharp - Easily update image urls to be fast and responsive. **[$]**

  • Install tools

    • Wix Toolset - The most powerful set of tools available to create your Windows installation experience
    • Wax - An interactive editor for WiX projects.

  • IoC

  • Machine Learning and Data Science

    • Accord.NET - Machine learning framework combined with audio and image processing libraries (computer vision, computer audition, signal processing and statistics).
    • AForge.NET - Framework for developers and researchers in the fields of Computer Vision and Artificial Intelligence (image processing, neural networks, genetic algorithms, machine learning, robotics).
    • FsLab - A collection of data science and machine learning libraries for F# and .NET
    • AForge.NET - Framework for developers and researchers in the fields of Computer Vision and Artificial Intelligence (image processing, neural networks, genetic algorithms, machine learning, robotics).

  • Markdown Processors

    • MarkdownSharp - Open source C# implementation of Markdown processor, as featured on Stack Overflow.
    • markdig - A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET.

  • Mathematics

    • MathNet - Math.NET is an open source initiative to build and maintain toolkits covering fundamental mathematics, targeting advanced but also every day needs of .NET developers
    • ALGLIB - ALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Delphi) and several operating systems (Windows and POSIX, including Linux) **[Proprietary]** and **[Free Edition]**
    • MKL.NET - A simple cross platform .NET API for Intel MKL.
    • WPF-Math - a .NET library for rendering mathematical formulae using the LaTeX typesetting style, for the WPF framework
    • Jodo.Numerics - Provides extra number types (such as fixed-point and non-overflowing numbers) with full support for operators, math, string-parsing etc. Extensively tested, and cross-platform compatible.

  • Minification

    • Microsoft Ajax Minifier - Contains JS and CSS minifiers which have a highest performance, because its have been specifically designed for .NET. Optionally produce Source Maps for JS code.

  • Misc

    • CSharp Pad - A web-based C# REPL with awesome code completion.
    • CSScript - CS-Script is a CLR based scripting system which uses C# as a programming language. CS-Script currently targets Microsoft implementation of CLR (.NET 2.0/3.0/3.5/4.0/4.5) with full support on Mono. Comes with many additional features, such as script hosting.
    • LINQPad - a C#/VB/F# scratchpad that instantly executes any expression, statement block or program with rich output formatting and a wealth of features. Also lets you interactively query databases in LINQ. [$]
    • MSBuild ILMerge task - MSBuild ILMerge task is a NuGet package allows you to use the famous ILMerge utility in automated builds and/or Visual Studio projects.
    • LINQPad - a C#/VB/F# scratchpad that instantly executes any expression, statement block or program with rich output formatting and a wealth of features. Also lets you interactively query databases in LINQ. [$]

  • MVVM

    • Community Toolkit - Collection of control & helper libraries and samples for various .NET technologies. Contains modern MVVM library, supported by Microsoft. Includes [Windows Community Toolkit](https://github.com/CommunityToolkit/WindowsCommunityToolkit), [MAUI Community Toolkit](https://github.com/CommunityToolkit/Maui), and [Dotnet Community Toolkit](https://github.com/CommunityToolkit/dotnet).
    • Catel - Catel is an application development platform with the focus on MVVM (WPF, Silverlight, Windows Phone and WinRT) and MVC (ASP.NET MVC). The core of Catel contains an IoC container, models, validation, memento, message mediator, argument checking, etc.
    • UpdateControls - Update Controls does not require that you implement `INotifyPropertyChanged` or declare a `DependencyProperty`. It connects controls directly to CLR properties. This makes it perfect for the Model/View/ViewModel pattern.
    • Okra App Framework - An app centric MVVM framework for Windows 8.1 built with dependency injection in mind, including a full set of Visual Studio MVVM templates.
    • Okra App Framework - An app centric MVVM framework for Windows 8.1 built with dependency injection in mind, including a full set of Visual Studio MVVM templates.

  • Office

    • GemBox.Bundle - A package of .NET components that enable fast, simple and efficient processing of office files (Excel, Word, PowerPoint, PDF and emails). **[$]****[Free Lite versions]**
    • Outlook Redemption - Library to work with the Outlook Object Model and (Extended) MAPI. Supports Outlook 98 - 2019. Work with objects/mails/accounts/folders in Exchange and Outlook. **[$]**
    • Open XML SDK - The Open XML SDK provides open-source libraries for working with Open XML Documents (DOCX, XLSX, and PPTX).
    • Outlook Redemption - Library to work with the Outlook Object Model and (Extended) MAPI. Supports Outlook 98 - 2019. Work with objects/mails/accounts/folders in Exchange and Outlook. **[$]**
    • MiniExcel - A micro Excel helper avoids OOM and high performance to create/mapping/template-fill-data.
    • Syncfusion .NET Word Framework - A high-performance .NET Word framework without Microsoft Office or interop dependencies. Create, read, and edit Word documents seamlessly. Utilize advanced editor components for easy viewing, editing, and printing. Effortlessly convert Word documents to PDF, HTML, RTF, ODT, and EPUB formats with powerful conversion APIs. **[$]** **[[Free for Individuals and Small Businesses](https://www.syncfusion.com/products/communitylicense)]**
    • Syncfusion .NET Excel Framework - A high-performance .NET Excel framework without Microsoft Office or interop dependencies. Create, read, and edit Excel documents seamlessly. Utilize Spreadsheet controls for creating, editing, and viewing easily. Effortlessly convert Excel files to PDF, images, and more with powerful conversion APIs. **[$]** **[[Free for Individuals and Small Businesses](https://www.syncfusion.com/products/communitylicense)]**
    • Syncfusion .NET PowerPoint Framework - A high-performance .NET PowerPoint framework without Microsoft Office or interop dependencies. Create, read, and edit PowerPoint files seamlessly. Effortlessly convert PowerPoint files to PDFs and images with powerful conversion APIs. **[$]** **[[Free for Individuals and Small Businesses](https://www.syncfusion.com/products/communitylicense)]**

  • ORM

    • FreeSql - a convenient ORM in dotnet, supports MySql, SqlServer, PostgreSQL, Oracle, Sqlite, Firebird, 达梦, 人大金仓, 神舟通用, 翰高 and Access.
    • NHibernate - NHibernate Object Relational Mapper
    • LLBLGen Pro - Entity Modeling solution for Entity Framework, NHibernate, Linq to SQL and its own ORM framework: LLBLGen Pro Runtime Framework. **[$][Free Lite version]**
    • Dapper - A simple object mapper for .NET by [StackExchange](https://stackexchange.github.io/)
    • Dapper.FastCRUD - The fastest micro-ORM extension for Dapper
    • SqlSugar - Another ORM library supports many RDBMS including MySql, SqlServer, Sqlite, Oracle, Postgresql
    • LLBLGen Pro - Entity Modeling solution for Entity Framework, NHibernate, Linq to SQL and its own ORM framework: LLBLGen Pro Runtime Framework. **[$][Free Lite version]**
    • Friflo.Json.Fliox - High performane ORM for Sqlite, MySql, SqlServer, PostgreSQL & NoSQL. Provides server with REST, GraphQL & WebSocket / PubSub API.

  • Package Management

    • NuGet - The .NET package manager
    • Cloudsmith - A fully managed package management SaaS, with support for NuGet, Npm, Docker and much more. **[Free for Public/OSS]** **[$]**
    • Cloudsmith - A fully managed package management SaaS, with support for NuGet, Npm, Docker and much more. **[Free for Public/OSS]** **[$]**

  • PDF

    • Cloudmersive PDF - Cloudmersive PDF is a native .NET Framework and .NET Core NuGet library and API service that can create, modify, encrypt or convert PDF documents at high scale and fidelity; and is free to use with no expiration **[Free]**
    • Docotic.Pdf - PDF library to create, read, edit, draw, and print PDF documents in .NET and .NET Core applications. 100% managed, without unsafe blocks. **[$]** **[[Free for OSS](https://bitmiracle.com/pdf-library/free-pdf-library.aspx)]**
    • Pdfium.Net SDK - Advanced C# PDF library for render, create, edit, merge, split, print, and view PDFs. Open source PDF Viewer is available on [GitHub](https://github.com/patagames). A [NuGet package](https://www.nuget.org/packages/Pdfium.Net.SDK/) is also available for easy inclusion into your projects.**[$]**
    • QuestPDF - QuestPDF is an open-source, modern and battle-tested library that can help you with generating PDF documents by offering friendly, discoverable and predictable C# fluent API.
    • IronPDF - High-performance C# PDF library with compatibility for various .NET versions, HTML to PDF conversion, content page conversion, file format support (e.g., DOCX, RTF, MD), responsive layouts, and robust PDF capabilities features ranging from compability, generating PDFs, formatting PDFs, and editing PDFs. **[$]** **[Free trial available]**
    • Syncfusion .NET PDF Framework - A high-performance .NET PDF framework with no Adobe dependencies. Create, read, and edit PDF files seamlessly. Utilize PDF viewer controls for easy viewing, reviewing, and printing. Effortlessly convert HTML, Word, Excel, PowerPoint files, and images to PDF with powerful conversion APIs. **[$]** **[[Free for Individuals and Small Businesses](https://www.syncfusion.com/products/communitylicense)]**

  • Protocols

    • SharpSnmpLib - An open source SNMP implementation for .NET/Mono/Xamarin. Versioin 1, 2c, and 3 are supported.

  • Query Builders

    • SqlKata - Elegant SQL query builder, that supports complex queries, joins, sub queries, nested where conditions, vendor engine targets and more
    • SqlKata - Elegant SQL query builder, that supports complex queries, joins, sub queries, nested where conditions, vendor engine targets and more

  • Queue

    • Silverback - A simple but feature-rich message bus for .NET core (supports Kafka, RabbitMQ and MQTT).
    • Silverback - A simple but feature-rich message bus for .NET core (supports Kafka, RabbitMQ and MQTT).
    • Cap.Outbox - Implementation of the Outbox pattern and OnceExecutor service that guarantees idempotence: the operation will be performed once

  • Scheduling

    • Hangfire - An easy way to perform fire-and-forget, delayed and recurring tasks inside .NET apps

  • SDK and API Clients

    • Lucene.net - Lucene.Net is a port of the Lucene search engine library, written in C# and targeted at .NET runtime users

  • Static Site Generators

    • Wyam - A simple to use, highly modular, and extremely configurable static content generator

  • Style Guide

  • Testing

    • BDTest - A behaviour driven testing and reporting framework!
    • NCrunch - An automated continuous & concurrent testing tool for Visual Studio. **[$]**
    • NFluent - NFluent is an assertion library which aims to fluent your .NET TDD experience.
    • NSubstitute - A friendly substitute for .NET mocking frameworks
    • ReportPortal - AI-powered Test Automation Dashboard. Acquire, aggregate and analyze test reports to ascertain release health.
    • Moq - The most popular and friendly mocking framework for .NET
    • NFluent - NFluent is an assertion library which aims to fluent your .NET TDD experience.
    • xBehave.net - An xUnit.net extension for describing your tests using natural language.
    • ReportPortal - AI-powered Test Automation Dashboard. Acquire, aggregate and analyze test reports to ascertain release health.

  • Tools

    • Fiddler - The free web debugging proxy for any browser, system or platform
    • CatLight - Build status notifications for TFS/Jenkins/Travis/Appveyor. Cross-platform desktop app based on .NET Core and Electron. **[Free][Proprietary]**
    • AnyStatus - A desktop notifications app for monitoring CI/CD pipelines, servers, network, health and metrics. AnyStatus supports Azure DevOps, Jenkins, TeamCity, AppVeyor and more.
    • JSON Formatter and Validator - A blazing fast JSON formatter and validator that won't share JSON with a server.
    • CatLight - Build status notifications for TFS/Jenkins/Travis/Appveyor. Cross-platform desktop app based on .NET Core and Electron. **[Free][Proprietary]**

  • UI Automation

    • Managed Windows API - Introspect and automate third-party Windows / VC++ applications without needing its source code.
    • Managed Windows API - Introspect and automate third-party Windows / VC++ applications without needing its source code.

  • Visual Studio Plugins

    • Nuget Package Manager - NuGet is the package manager for the Microsoft development platform including .NET
    • Resharper - Developer Productivity Tool for Visual Studio **[$]**
    • Productivity Power Tools - A set of extensions to Visual Studio Professional (and above) which improves developer productivity.
    • Tabs Studio - Visual Studio tab manager with multiple tab rows, tab coloring and tab grouping. **[$]**
    • VSColorOutput - Color highlighting for Build, Find and Debug output windows. Custom match patterns and colors can be added.
    • CodeLineage - Easy access to a cumulative diff view between file revisions (supports svn, git, mercurial, perforce).
    • OzCode - OzCode is a Visual Studio Extension which cuts down on debugging time and increases productivity by detecting and isolating bugs, making them easy to fix. **[$]**
    • ViEmu - very powerful Vi/vim emulator for Visual Studio supporting all basic and many advanced features of vi/vim. **[$]**
    • Roslynator - A collection of 500+ analyzers, refactorings and fixes for C#, powered by Roslyn
    • EFCore.Visualizer - View Entity Framework Core query plan directly in Visual Studio.
    • SideWaffle - A collection of Item Templates for Visual Studio 2012/2013/2015 that makes any web developer's life much easier

  • Web Frameworks

    • ASP.NET MVC - ASP.NET is a free web framework for building great web sites and applications
    • Coalesce - Coalesce is a framework for rapid-development of ASP.NET Core web applications.
    • Suave.IO - Framework/library/web server that makes you cry tears of joy after finishing your project ahead-of-time when you look at the beautiful code you've written in F#.
    • ASP.NET MVC - ASP.NET is a free web framework for building great web sites and applications

  • WebSocket

    • WebSocket4NET - WebSocket client for .NET 2.0+, Xamarin, Mono, Silverlight, Windows Phone, & WinRT
    • Crossertech - Provides a great set of tools for you to build real-time applications on the Microsoft.NET plattform and much more. **[$]**

  • Source Generator

    • Awesome .NET Core - A collection of awesome .NET core libraries, tools, frameworks and software
    • awesome-ddd - A curated list of Domain-Driven Design (DDD), Command Query Responsibility Segregation (CQRS), Event Sourcing, and Event Storming resources
    • Awesome Unity - A categorized community-driven collection of high-quality awesome Unity assets, projects, and resources.
    • Awesome Xamarin - A collection of interesting libraries/tools for Xamarin mobile projects.
    • Awesome Roslyn - A curated list of awesome Roslyn books, tutorials, open source projects, analyzers, code fixes, and refactorings.
    • .NET Open Source Developer Projects - This community maintained list showcases .NET open source projects that are useful for any aspect of the development process.
    • Discover .NET - Awesome .NET open source and community resources.
    • NuGet Trends - Check out NuGet packages adoption and what's trending on NuGet.
    • Weekly C# Digest - Weekly email newsletter with manually curated top 5 links from the .NET community.
    • ASP.NET Core Developer Roadmap - A complete guide to become a ASP.NET Developer.
    • .NET Open Source Developer Projects - This community maintained list showcases .NET open source projects that are useful for any aspect of the development process.
    • Awesome Microservices .NET Core - A collection of awesome training series, articles, videos, books, courses, sample projects, and tools for Microservices in .NET Core.
    • Discover .NET - Awesome .NET open source and community resources.
    • NuGet Trends - Check out NuGet packages adoption and what's trending on NuGet.

  • Application Templates

    • Serene - Serenity is an ASP.NET MVC application platform designed to simplify and shorten development of data-centric business applications with a service-based architecture. Serene is a starter template to build Serenity applications.
    • .NET Boxed Templates - .NET project templates with batteries included, providing the minimum amount of code required to get you going faster.
    • ASP.NET Core Starter Kit - backend: .NET Core, EF Core, C#; frontend: Babel, Webpack, React, CSS Modules
    • ProjectScaffold - A prototypical .NET solution recommended by the F# Foundation---includes file system setup, Paket for dependencies and FAKE for build/test automation. By default, build process also compiles documentation and generates NuGet packages.
    • Side-Waffle - Large collection of useful templates for Web and Desktop development.
    • Template10 - Windows 10 templates with design patterns.
    • Nucleus - Vue startup application template that uses ASP.NET Core API layered architecture at the back-end and JWT based authentication
    • JHipster.NET
    • Serene - Serenity is an ASP.NET MVC application platform designed to simplify and shorten development of data-centric business applications with a service-based architecture. Serene is a starter template to build Serenity applications.

  • Blazor

    • MASA.Blazor - A set of enterprise-class UI components based on Material Design and Blazor WebAssembly.
    • BootstrapBlazor - A set of enterprise-class UI components based on Bootstrap and Blazor.
    • ant-design-blazor - A set of enterprise-class UI components based on Ant Design and Blazor WebAssembly.
    • Megabit.Blazorise - Blazorise is a component library built on top of Blazor and CSS frameworks like Bootstrap, Bulma and Material. Very easy to use.
    • blazork8s - k8s management ui in blazor and .NET Core.
    • MudBlazor - A Material Design framework for Blazor, allowing .NET developers to quickly build web apps, with extensive documentation and examples.

  • Build Automation

    • FAKE - F# Make, a cross-platform build automation system
    • Psake - .NET-based build automation tool written in PowerShell
    • Invoke-Build - PowerShell build and test automation tool inspired by Psake.
    • MSBuild - The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio
    • Cake - Cake (C# Make) is a cross-platform build automation system with a C# DSL.
    • Nake - Magic script-based C# task runner
    • Nuke - Cross-platform build automation system
    • FlubuCore - A cross platform build and deployment automation system for building projects and executing deployment scripts using C# code.
    • ModularPipelines - Write your pipelines in C#

  • Caching

    • FusionCache - An easy to use, high performance and robust cache with an optional distributed 2nd layer and some advanced features, like a fail-safe mechanism and advanced timeouts management
    • CacheCow - An ASP.NET Web API HTTP caching implementation both on client and server
    • EasyCaching - A caching library that contains basic and some advanced usages of caching which can help handle caching more easier!
    • CacheManager - A common interface and abstraction layer for caching.
    • FastCache - 10X faster alternative to `MemoryCache` for .NET
    • Cashew - a .NET library for caching responses easily with an `HttpClient` through an API that is simple and elegant yet powerful.
    • Cache Tower - An efficient multi-layered caching system for .NET (In-Memory, Redis, Database, File etc)
    • LazyCache - A simple, developer friendly, in-memory thread-safe caching service. It leverages Microsoft.Extensions.Caching and Lazy to provide performance and reliability in heavy load scenarios.
    • Akavache - An asynchronous, persistent key-value store
    • BitFaster.Caching - Thread-safe in-memory caches optimized for very high concurrent throughput, near optimal hit rate and low latency.

  • Database

    • StringDB - StringDB is a modular, key/value pair archival DB designed to consume tiny amounts of ram & produce tiny databases.
    • SliccDB - Lightweight Embedded (In-Memory) Graph Database for .net
    • RocksDB - C# binding for Facebook's RocksDB Key-Value store + native builds for Windows, macOS and Linux
    • BrightstarDb - BrightstarDB is a native .NET RDF triple store
    • DBreeze - DBreeze Database is an open-source embedded Key-Value store
    • Event Store - The open-source, functional database with Complex Event Processing in JavaScript
    • LiteDB - A .NET NoSQL Document Store in a single data file - https://www.litedb.org
    • RavenDB - A LINQ-enabled document database for .NET
    • Marten - PostgreSQL as a document database and event store for .NET applications
    • Realm Xamarin - A fast, easy-to-use alternative to SQLite & ORMs - https://realm.io/docs/dotnet/latest/
    • Streamstone - Event store for Azure Table Storage
    • Ignite - Distributed in-memory platform: document database with SQL and LINQ support; distributed computations; distributed services and events.
    • Yessql - A .NET document database working on any RDBMS
    • JsonFlatFileDataStore - Simple JSON flat file data store with support for typed and dynamic data
    • Db4o-gpl - Object-oriented database, embedded and remote connections supported.
    • ZoneTree - Persistent, high-performance, transactional, and ACID-compliant ordered key-value database for .NET.

  • Functional programming

    • JFlepp.Maybe - A Maybe type for C#, aimed as an idiomatic port of the option type in F# to C#
    • Curryfy - Provides strongly typed extensions methods for C# delegates to take advantages of functional programming techniques, like currying and partial application.
    • language-ext - This library uses and abuses the features of C# 6+ to provide a functional 'Base class library', that, if you squint, can look like extensions to the language itself. It also includes an 'Erlang like' process system (actors) that can optionally persist messages and state to Redis (note you can use it without Redis for in-app messaging). The process system additionally supports Rx streams of messages and state allowing for a complete system of reactive events and message dispatch.
    • Optional - A robust option type for C#
    • Optuple - .NET Standard Library for giving `(bool, T)` Option-like semantics in a non-obtrusive way; this is, there is no new option type dependency for a library or its users.
    • MoreLinq - Provides extra methods to LINQ to Objects.

  • GraphQL

    • HotChocolate - GraphQL server compatible to all GraphQL compliant clients like Strawberry Shake, Relay, Apollo Client, and various other clients and tools.
    • GraphQL.NET - Implementation of [Facebook's GraphQL](https://github.com/graphql/graphql-spec) in .Net
    • graphql-net - GraphQL to IQueryable for .NET.
    • EntityGraphQL - library to build a GraphQL API on top of data model with the extensibility to easily bring multiple data sources together in the single GraphQL schema (EF is not a requirement - any ORM working with LinqProvider or an in-memory object will work).
    • ZeroQL - high-performance C#-friendly GraphQL client. It supports Linq-like syntax. It doesn't require Reflection.Emit or expressions. As a result, the runtime provides performance very close to a raw HTTP call.

  • Media

    • SeeShark - Cross-platform camera library for .NET using FFmpeg supporting over 190 pixel formats

  • Networking

    • SharpPcap - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets from live and file based devices.

  • OpenAI

    • Cledev.OpenAI - .NET SDK for OpenAI which includes ChatGPT, DALL-E and Whisper APIs and a Blazor Server playground.

  • Real-time Communications

    • SIPSorcery - A cross platform C# .NET library supporting SIP, VoIP and WebRTC.

  • Template Engine

    • Scriban - A fast, powerful, safe and lightweight text templating language and engine for .NET

  • WPF

    • Data Grid Extensions - Modular extensions for the WPF DataGrid control, like filtering, additional column events, extended star-size column behavior, and more...

  • Algorithms and Data structures

    • Algorithmia - Algorithm and data-structure library for .NET 3.5 and up. Algorithmia contains sophisticated algorithms and data-structures like graphs, priority queues, command, undo-redo and more.
    • C# Algorithms - A C# plug-and-play class-library project of standard Data Structures and Algorithms. It contains 35+ Data Structures and 30+ Algorithms designed as Object-Oriented isolated components.
    • Towel - data structures, algorithms, mathematics, metadata, extensions, console, measurements, and other useful stuff
    • Akade.IndexedSet - A convenient data structure supporting efficient in-memory indexing and querying, including range queries and fuzzy string matching.
    • OneOf - OneOf provides discriminated unions for C# with exhaustive compile time matching.

  • Application Frameworks

    • .NET Boxed Framework - .NET Core Extensions and Helper NuGet packages
    • ASP.NET Boilerplate - A starting point for new modern ASP.NET MVC web applications with best practices and most popular tools.
    • ABP - The next generation of the ASP.NET Boilerplate web application framework.
    • Newbe.Claptrap - This is a set of server-side development frameworks with reactive, event sourcing and Actor pattern as basic theories. On top of this, developers can develop "distributed", "scale out", and "easy to test" application more simply.
    • CoreFX - The corefx repo contains the library implementation (called "CoreFX") for .NET Core. It includes System.Collections, System.IO, System.Xml and many other components.
    • CSLA .NET - business layer development framework https://cslanet.com/
    • Mono - Open source ECMA CLI, C#, F#, VB and .NET implementation
    • Mono-Addins - Mono.Addins is a generic framework for creating extensible applications, and for creating add-ins which extend those applications
    • peasy - Peasy is a middle tier framework that offers an easy to use and flexible rules engine and was designed to address common challenges such as concurrency handling, transactional support, fault tolerance, threading, scalability, async and multiple client support, and easy testability, all without a huge learning curve!
    • Plastic - Plastic provides encapsulation of things like Domain, Application Rules, Business Rules or Business Logic in Application. For this, Command pattern is used.
    • Signals - Signals is a .NET5 based framework which focuses on increasing the quality and productivity within development teams by providing them with tools, aspects and processes.
    • Spring.Net - Spring.NET is an open source application framework that makes building enterprise .NET applications easier
    • DotNetty - DotNetty is a port of Netty, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
    • AspectCore Framework - AspectCore Framework is an Aspect-Oriented Programming based cross platform framework for .NET Core and .NET Framework. Core support for aspect-interceptor,dependency injection integration , web applications , data validation , and more.
    • HopFramework - HopFramework is a framework to create projects easily applying Domain Driven Design and a lot of patterns to delivery a better solution.
    • Fusion - .NET Core and Blazor library that attempts to dramatically improve the way we implement real-time and high-load services by introducing a novel kind of "computed observables" - immutable, thread-safe, and most importantly, almost invisible for developers. [Samples 1](https://github.com/servicetitan/Stl.Fusion.Samples) [Samples 2](https://github.com/alexyakunin/BoardGames)
    • silky - The Silky framework is designed to help developers quickly build a microservice development framework through simple code and configuration under the .net platform.
    • Orleans - Orleans is a framework that provides a straight-forward approach to building distributed high-scale computing applications, without the need to learn and apply complex concurrency or other scaling patterns

  • Assembly Manipulation

    • Fody - Extensible tool for weaving .NET assemblies.
    • ILRepack - Open-source alternative to ILMerge.
    • Mono.Cecil - Cecil is a library to generate and inspect programs and libraries in the ECMA CIL form.

  • Assets

    • Cassette - Manages .NET web application assets (scripts, css and templates)
    • NodeAssets - Asset Manager for .NET that has live CSS updates using SignalR and can optionally leverage Node.js compilers
    • Bundle Transformer - Modular extension for [Microsoft ASP.NET Web Optimization Framework](https://www.nuget.org/packages/Microsoft.AspNet.Web.Optimization). Its modules supports LESS, Sass, CoffeeScript, TypeScript, Mustache, Handlebars, Autoprefixer along with a bunch of different JS and CSS minifiers.
    • Bundler - Compile & Minify Less/Sass/Stylus/Css/JS/CoffeeScript/LiveScript files. Integrates with MVC and ServiceStack
    • SquishIt - Lets you *easily* bundle some CSS and JavaScript

  • Blockchain

  • Calendar

  • CLR

    • Runtime - Mono and CoreCLR .NET runtimes, as well as the standard library and some higher level components like `System.Linq` and `System.Text.Json`.

  • Cloud Storage

    • FluentStorage - A polycloud .NET cloud storage abstraction layer originally known as Storage.Net. Provides a generic interface for Blob storage (AWS S3, GCP, FTP, SFTP, Azure Blob/File/Event Hub/Data Lake) and Messaging (AWS SQS, Azure Queue/ServiceBus).
    • Stowage - Bloat-free zero dependency .NET cloud storage kit that supports at minimum THE major cloud providers.
    • Cloud Storage - This library provides a universal interface for accessing and manipulating data in different cloud blob storage providers (Azure Storage, AWS S3, Google Cloud Storage. It makes it easy to switch between providers or to use multiple providers simultaneously, without having to learn and use multiple APIs.
    • Foundatio - Cloud Storage library with AWS, Azure and many other providers supported.

  • Datetime

    • 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. https://nodatime.org/
    • DateTimeExtensions - Common Date Time operations on the form of extensions to `System.DateTime`, including holidays and working days calculations on several culture locales.
    • Exceptionless.DateTimeExtensions - DateTimeRange, Business Day and various `DateTime`, `DateTimeOffset`, `TimeSpan` extension methods.

  • Deployment

    • Unfold - PowerShell-based deployment solution for .NET web applications
    • DbUp - .NET library that helps you to deploy changes to SQL Server databases. It tracks which SQL scripts have been run already, and runs the change scripts that are needed to get your database up to date
    • Octo Pack - Used to build NuGet packages of your application for deployment using tools such as Octopus Deploy
    • yuniql - Free and open source schema versioning and migration tool made with .NET Core. Run migrations with plain SQL, arrange versions in ordinary folders and seed your data from CSV via stand-alone CLI (no CLR needed), Azure Pipelines, Docker or ASP.NET Core code. https://yuniql.io

  • DirectX

    • Vortice.Windows - Cross platform .NET standard libraries for DirectX, WIC, Direct2D1, XInput, XAudio and X3DAudio

  • DLR

    • cmd - C# library to run external programs in a simpler way. Demonstration of "dynamic" features of C#.

  • Documentation

    • Sandcastle - Sandcastle Help File Builder similar to NDoc
    • SourceBrowser - Source browser website generator that powers https://referencesource.microsoft.com
    • Swashbuckle - Seamlessly adds a Swagger to Web API projects.
    • F# Formatting - Tools for documenting F# and C# projects from F# script files, Markdown documents and inline XML or Markdown comments
    • DocFX - Tools for building and publishing API documentation for .NET projects
    • DocNet - Your friendly static documentation generator, using markdown files to build the content.

  • Emulators

    • Blzhawk - BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.
    • Ryujinx - Experimental Nintendo Switch Emulator written in C#

  • Environment Management

    • Dotnet CLI - The cross-platform .NET Core command-line toolchain utility.

  • Exceptions

  • Git Tools

    • Husky.Net - Git hooks made easy with Husky.Net internal task runner, You can use it to lint your commit messages, run tests, lint code, etc... when you commit or push. supports C# scripts, gitflow hooks, Multiple file states (staged, lastCommit, glob)
    • Bonobo Git Server - Bonobo Git Server for Windows is a web application you can install on your IIS and easily manage and connect to your Git repositories. https://bonobogitserver.com/
    • GitExtensions - GitExtensions is a shell extension, a Visual Studio 2008/2010/2012/2013 plugin and a standalone Git repository tool. https://gitextensions.github.io/
    • GitLink - let's users step through their code hosted on GitHub or BitBucket
    • GitVersion - Generate a Semantic Version Number based on the state of your Git repository
    • LibGit2Sharp - LibGit2Sharp brings all the might and speed of libgit2, a native Git implementation, to the managed world of .NET and Mono.
    • GitRead.Net - GitRead.Net is a .NET Standard library which allows you to very easily interrogate a Git repository that you have on disk. It allows you to enumerate the commit log, count lines per file and list files changed by a commit.
    • NGit - NGit is a port of JGit to C#
    • posh-git - A PowerShell environment for Git
    • RepoZ - A Git repository information aggregator with Windows Explorer & CLI-enhancements
    • Git Credential Manager for Windows - Helps solving issues of credentials, made by Microsoft

  • Feature management

    • Microsoft.FeatureManagement - This library provides a way to develop and expose applicaiton functionality based on feature flags. It enables scenarios like new feature rollouts and A/B testing for experimentation purposes. It also provides integration with common .NET coding patterns and ASP.NET Core.
Programming Languages
C# 233 F# 7 JavaScript 5 PowerShell 4 Java 2 HTML 2 c# 1 Visual Basic 1 Python 1 Nemerle 1
Categories
CLI 21 Compilers, Transpilers and Languages 20 Application Frameworks 18 Code Analysis and Metrics 17 GUI 17 API 16 Database 16 Graphics 16 Game 16 Source Generator 14 Visual Studio Plugins 11 Authentication and Authorization 11 CMS 11 IDE 11 Git Tools 11 Caching 10 Build Automation 9 Testing 9 Cryptography 9 Database Drivers 9 Application Templates 9 E-Commerce and Payments 9 Logging 8 Office 8 ORM 8 Event aggregator and messenger 7 GIS 7 Distributed Computing 7 PDF 6 Documentation 6 Blazor 6 Functional programming 6 Algorithms and Data structures 5 Assets 5 Image Processing 5 Tools 5 Misc 5 Artificial Intelligence 5 Mathematics 5 GraphQL 5 MVVM 5 Compression 5 Decompilation 5 Cloud Storage 4 Web Frameworks 4 Deployment 4 Style Guide 4 Machine Learning and Data Science 4 Queue 3 Assembly Manipulation 3 Package Management 3 Datetime 3 Continuous Integration 3 Extensions 2 HTTP 2 WebSocket 2 Install tools 2 IoC 2 UI Automation 2 Code Snippets 2 ETL 2 Markdown Processors 2 Query Builders 2 Emulators 2 Business Intelligence 2 WPF 1 Minification 1 Scheduling 1 HTML and CSS 1 OpenAI 1 Networking 1 CLR 1 Calendar 1 Environment Management 1 Exceptions 1 Feature management 1 Real-time Communications 1 Blockchain 1 Search 1 Protocols 1 Static Site Generators 1 Template Engine 1 DirectX 1 SDK and API Clients 1 Media 1 DLR 1
Sub Categories
Keywords
dotnet 85 csharp 53 c-sharp 49 dotnet-core 41 dotnetcore 16 asp-net-core 15 aspnetcore 13 database 12 framework 11 asp-net 11 netcore 10 cache 10 blazor 10 mono 9 command-line 9 nuget 8 netstandard 8 cross-platform 8 git 8 game-development 8 xamarin 8 library 7 gamedev 7 event-sourcing 7 game-engine 7 cli 6 build 6 cms 6 caching 6 azure 6 cqrs 6 wpf 6 nosql 6 aspnet 6 redis 5 dotnet-standard 5 xaml 5 uwp 5 blazor-webassembly 5 blazor-server 5 ecommerce 5 awesome-list 5 graphql 5 aspnet-core 5 unity 5 ecommerce-platform 4 cryptography 4 graphics 4 distributed-systems 4 mongodb 4