Open-source dotnet software
1138 open-source libraries, tools and applications tagged dotnet, ranked by how closely dotnet is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1138 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| andrewkirillov/AForge.NET AForge.NET is an open-source C# framework for computer vision and artificial intelligence, comprising libraries such as AForge.Imaging, AFo… | 32 | 1152 | maintenance |
| MarcosMeli/FileHelpers FileHelpers is a free, MIT-licensed .NET library for reading and writing strongly typed records from fixed-length or delimited flat files, … | 23 | 1152 | maintenance |
| WiX Toolset WiX Toolset v3 builds Windows Installer (MSI) packages and executable bundles from XML source code via a command-line environment. It integ… | 84 | 1149 | maintenance |
| tgjones/gemini Gemini is a WPF framework for building IDE-like desktop applications, similar in concept to the Visual Studio Shell. It is built on AvalonD… | 66 | 1149 | maintenance |
| code-cracker/code-cracker Code Cracker is a Roslyn-based analyzer library for C# and Visual Basic that provides code diagnostics, refactorings, and code style analys… | 23 | 1147 | maintenance |
| FuzzySecurity/Sharp-Suite Sharp-Suite is a collection of C# security tooling samples for Windows threat emulation, including techniques like process command-line spo… | 32 | 1144 | maintenance |
| leechristensen/SpoolSample SpoolSample is a C# proof-of-concept tool that coerces Windows hosts to authenticate to arbitrary machines via the MS-RPRN Print System Rem… | 32 | 1143 | maintenance |
| jieba.NET jieba.NET is a C# port of the popular jieba Chinese word segmentation library, supporting .NET Framework and .NET Core. It offers precise, … | 32 | 1143 | maintenance |
| med0x2e/GadgetToJScript GadgetToJScript is a C# tool that generates .NET BinaryFormatter serialized gadget payloads embedded in JS/VBS/VBA/HTA scripts, triggering … | 23 | 1141 | maintenance |
| ABP MicroService Platform A low-code admin platform built on ABP vNext microservice architecture with a vue-element-admin frontend. It provides tenant/user/role mana… | 23 | 1141 | maintenance |
| rotorgames/Rg.Plugins.Popup A Xamarin.Forms plugin that lets developers open Xamarin.Forms pages as customizable popup dialogs with flexible animations across iOS, And… | 23 | 1139 | maintenance |
| Nexus-Mods/Nexus-Mod-Manager The Nexus Mod Manager (NMM) is a free, open-source Windows desktop application for downloading, installing, updating, and managing game mod… | 100 | 1138 | maintenance |
| saaskit/saaskit SaasKit is a .NET toolkit for building SaaS applications, best known for its multitenancy support in ASP.NET MVC, Web API, and ASP.NET Core… | 23 | 1127 | maintenance |
| rossmann-engineering/EasyModbusTCP.NET A .NET library implementing Modbus TCP, UDP, and RTU client and server communication. It enables fast access to PLCs and other industrial a… | 23 | 1126 | maintenance |
| microsoft/powerapps-tools A collection of unsupported tools and apps from Microsoft for working with PowerApps and the Power Platform. Written in C#, these utilities… | 24 | 1121 | maintenance |
| ProxyKit/ProxyKit ProxyKit is a .NET library for building code-first HTTP reverse proxies as ASP.NET Core middleware, supporting request/response interceptio… | 10 | 1113 | maintenance |
| tevora-threat/SharpView SharpView is a C#/.NET port of the PowerView PowerShell script for Active Directory domain enumeration and reconnaissance. It exposes Power… | 32 | 1108 | maintenance |
| tonerdo/pose Pose is a .NET isolation/mocking library that lets you replace any method—including static, non-virtual, and constructors—with a delegate a… | 23 | 1105 | maintenance |
| primaryobjects/AI-Programmer AI-Programmer is a C# experiment that uses genetic algorithms to automatically generate programs in a Turing-complete esoteric language (Br… | 44 | 1102 | maintenance |
| NModbus/NModbus NModbus is a C# (.NET) library implementing the Modbus protocol, supporting serial ASCII, serial RTU, TCP, and UDP transports. It enables c… | 69 | 1091 | maintenance |
| gmamaladze/globalmousekeyhook A C# .NET library (NuGet package MouseKeyHook) that taps global keyboard and mouse activity on Windows via Win32 hooks, raising standard .N… | 23 | 1089 | maintenance |
| Redth/ZXing.Net.Mobile A C#/.NET barcode scanning library based on ZXing, providing camera-based barcode and QR code scanning for Xamarin.iOS, Xamarin.Android, UW… | 23 | 1083 | maintenance |
| sestoft/C5 C5 is a generic collection library for C# and other .NET/CLI languages, providing a wide range of classic data structures such as lists, se… | 23 | 1066 | maintenance |
| wwh1004/ExtremeDumper A Windows GUI tool for dumping .NET assemblies from running processes, including bypassing anti-dump protections. It can also inject .NET a… | 23 | 1061 | maintenance |
| BerndK/SvgToXaml A hybrid WPF/console tool for viewing SVG files and converting them to XAML resources for .NET applications. It supports interactive browsi… | 23 | 1058 | maintenance |
| microsoft/Cognitive-Samples-IntelligentKiosk A UWP sample application from Microsoft showcasing hands-free kiosk-style demos built on Azure Cognitive Services (Face, Computer Vision, T… | 10 | 1055 | maintenance |
| DuendeArchive/IdentityModel IdentityModel is a .NET Standard helper library for claims-based identity, OAuth 2.0, and OpenID Connect. It provides request/response obje… | 10 | 1053 | maintenance |
| unosquare/passcore PassCore is a one-page web application built with ASP.NET Core and React that lets users change their own Active Directory or LDAP password… | 10 | 1049 | maintenance |
| xenolightning/AudioSwitcher_v1 Audio Switcher is a Windows application for quickly switching between audio playback and recording devices, built on WASAPI/MMDevAPI. This … | 23 | 1046 | maintenance |
| LionelJouin/PiP-Tool A Windows desktop application that enables Picture-in-Picture mode by capturing a selected region of any window and displaying it in an alw… | 23 | 1040 | maintenance |
| TaoK/PoorMansTSqlFormatter A small free .NET and JavaScript library for reformatting and colorizing T-SQL code according to user preferences. It ships with multiple i… | 23 | 1021 | maintenance |
| b4rtik/SharpKatz SharpKatz is a C# port of mimikatz's credential extraction commands, including sekurlsa::logonpasswords, sekurlsa::ekeys, and lsadump::dcsy… | 32 | 1018 | maintenance |
| microsoft/InteractiveDataDisplay.WPF A set of WPF controls for adding interactive visualization of dynamic data to .NET applications, supporting line graphs, bubble charts, hea… | 10 | 1012 | maintenance |
| linvi/tweetinvi Tweetinvi is an intuitive C# .NET library for accessing the Twitter REST and Stream APIs. It supports .NET, .NET Core, and portable targets… | 23 | 997 | maintenance |
| FractalFir/rustc_codegen_clr An experimental Rust compiler backend plugin that transpiles Rust code into .NET CIL assemblies or C source files. It includes a Rust/.NET … | 46 | 2056 | experimental |
| dotnet/Comet Comet is a C# UI toolkit for building cross-platform user interfaces using the Model-View-Update (MVU) architectural pattern, built on top … | 10 | 1668 | experimental |
| Accelerider/Accelerider.Windows A Windows desktop shell application built with WPF, Prism, and MVVM that hosts pluggable Accelerider applications, primarily a cloud storag… | 23 | 1525 | experimental |
| microsoft/winappCli The Windows App Development CLI (winapp) is a single command-line tool from Microsoft for managing Windows SDKs, MSIX packaging, app identi… | 85 | 1327 | experimental |
| aspnet/AspLabs A repository of experimental ASP.NET projects and prototypes that are not yet ready for production release, maintained by the ASP.NET team.… | 76 | 1222 | experimental |
| BluestormDNA/ProjectPSX ProjectPSX is an experimental emulator of the original Sony PlayStation (PS1/PSX) written in C# with no external dependencies. It implement… | 70 | 1081 | experimental |
| davidfowl/Todos A collection of todo list backend API implementations written in C# for .NET Core. It serves as reference sample code demonstrating differe… | 32 | 1035 | experimental |
| DragoQCC/CrucibleC2 HardHat C2 (CrucibleC2) is a cross-platform, multi-user Command & Control framework written in C#/.NET for red team engagements and penetra… | 23 | 1022 | experimental |
| MathewSachin/Captura Captura is a free, open-source Windows screen capture application that records screencasts (Avi/Gif/Mp4), takes screenshots, and can overla… | 57 | 10865 | abandoned |
| Bot Framework SDK Microsoft's Bot Framework SDK for building conversational bots in C#, JavaScript, and Python, with rich card and guided/free-form conversat… | 10 | 7800 | abandoned |
| NancyFx/Nancy Nancy is a lightweight, low-ceremony web framework for building HTTP-based services on .NET Framework/Core and Mono. It provides a simple D… | 10 | 7091 | abandoned |
| microsoft/FASTER FASTER is a high-performance concurrent persistent log and key-value store + cache library in C# and C++, supporting data larger than memor… | 68 | 6637 | abandoned |
| aspnet/Mvc ASP.NET Core MVC is a model-view-controller framework for building dynamic web sites and HTTP services with clean separation of concerns, m… | 10 | 5564 | abandoned |
| xamarin/Xamarin.Forms Xamarin.Forms is a cross-platform UI framework for building native iOS, Android, Windows, and macOS apps entirely in C#. Support officially… | 10 | 5529 | abandoned |
| hashicorp/terraform-cdk CDK for Terraform (CDKTF) is a framework for defining infrastructure as code using general-purpose programming languages (TypeScript, Pytho… | 10 | 5066 | abandoned |
| jasontaylordev/NorthwindTraders Northwind Traders is a sample ASP.NET Core application demonstrating Clean Architecture with Entity Framework Core and a code-first Northwi… | 10 | 5002 | abandoned |
| accord-net/framework Accord.NET is a C# framework for .NET providing machine learning, statistics, computer vision, image and audio processing, and general scie… | 10 | 4531 | abandoned |
| shadowsocksr-backup/shadowsocksr-csharp ShadowsocksR is a Windows proxy client written in C# that tunnels traffic through ShadowsocksR servers via a local SOCKS5/HTTP proxy with s… | 23 | 4484 | abandoned |
| JanKallman/EPPlus EPPlus is a .NET library for reading and writing Excel xlsx files using the Office Open XML format, with no dependencies or Excel interop r… | 10 | 3775 | abandoned |
| yck1509/ConfuserEx ConfuserEx is a free, open-source protector for .NET applications that provides obfuscation features such as symbol renaming, control flow … | 10 | 3765 | abandoned |
| SuxueCode/WechatBakTool A C#-based Windows GUI tool for backing up WeChat PC chat history by decrypting WeChat's local database and exporting messages. The project… | 53 | 3707 | abandoned |
| skoruba/IdentityServer4.Admin A web-based administration UI for managing IdentityServer4 clients, resources, and ASP.NET Core Identity users, roles, and claims. It ships… | 10 | 3574 | abandoned |
| Atomic Game Engine The Atomic Game Engine is a multi-platform 2D and 3D game engine with a consistent API in C++, C#, JavaScript, and TypeScript, including a … | 10 | 3482 | abandoned |
| Readarr/Readarr Readarr is a self-hosted ebook and audiobook collection manager for Usenet and BitTorrent users, in the style of Sonarr, that monitors RSS … | 10 | 3468 | abandoned |
| dotnet/cli The .NET Core command-line (CLI) tools used for building, running, testing, and managing NuGet packages for .NET Core apps and libraries. T… | 10 | 3460 | abandoned |
| dotnet/interactive .NET Interactive is an engine and API for running and editing code interactively, powering polyglot notebooks, REPLs, and embedded scriptin… | 10 | 3195 | abandoned |
| nefarius/ScpToolkit A Windows driver and XInput wrapper that lets Sony DualShock 3 and DualShock 4 controllers work with Windows games and applications. The pr… | 10 | 3178 | abandoned |
| mafaca/UtinyRipper uTinyRipper is a GUI tool and core C# library for extracting assets from Unity serialized files and asset bundles and converting them into … | 32 | 3105 | abandoned |
| aspnet/JavaScriptServices JavaScriptServices was a set of NuGet/NPM packages and dotnet templates integrating client-side SPA frameworks (Angular, React, Vue) with A… | 10 | 3001 | abandoned |
| Chromely Chromely is a lightweight .NET/.NET Core framework for building cross-platform HTML5 desktop apps using embedded Chromium (CEF via CefGlue/… | 10 | 2970 | abandoned |
| NewEraCracker/LOIC LOIC (Low Orbit Ion Cannon) is an open-source network stress testing tool written in C#, based on Praetox's original LOIC. It supports TCP/… | 10 | 2969 | abandoned |
| Accelerider/BaiduPanDownloadWinform A Windows desktop application (C#/WinForms) that enables high-speed downloads from Baidu Netdisk (Baidu Cloud) by accessing files placed in… | 10 | 2941 | abandoned |
| TheBerkin/rant3 Rant 3 is an all-purpose procedural text generation engine for .NET, described as the opposite of Regex, supporting weighted branching, dic… | 10 | 2931 | abandoned |
| dotnet/corert CoreRT is an experimental .NET Core runtime and compiler toolchain optimized for ahead-of-time (AOT) compilation, producing native single-f… | 10 | 2882 | abandoned |
| SamProf/MatBlazor MatBlazor is a library of Material Design UI components for Blazor and Razor Components applications, distributed via NuGet. It provides bu… | 46 | 2849 | abandoned |
| Franiac/TwitchLeecher Twitch Leecher is a Windows desktop application for downloading Twitch broadcasts (VODs), known for fast multi-threaded downloads. The proj… | 32 | 2792 | abandoned |
| microsoft/bond Bond was a cross-platform framework from Microsoft for working with schematized data, supporting compact binary serialization protocols acr… | 10 | 2623 | abandoned |
| aspnet/KestrelHttpServer KestrelHttpServer is the cross-platform web server for ASP.NET Core, written in C#. The repository has been archived and development moved … | 10 | 2619 | abandoned |
| JimBobSquarePants/ImageProcessor ImageProcessor is a fluent C# wrapper around System.Drawing for on-the-fly image processing, supporting formats like JPEG, PNG, GIF, BMP, T… | 10 | 2491 | abandoned |
| ddevault/TrueCraft TrueCraft is a clean-room implementation of Minecraft beta 1.7.3 written in C#, compatible with official beta 1.7.3 clients and servers. It… | 10 | 2454 | abandoned |
| neuecc/Utf8Json Utf8Json is a high-performance, zero-allocation JSON serializer for C# that reads and writes directly to UTF8 binary, targeting .NET, .NET … | 10 | 2381 | abandoned |
| Glimpse Glimpse is an open-source diagnostics platform for ASP.NET web applications that inspects requests in real time, profiling server-side acti… | 10 | 2310 | abandoned |
| microsoft/kernel-memory Kernel Memory is a multi-modal AI service and .NET library for indexing datasets through hybrid data pipelines, enabling RAG, semantic sear… | 66 | 2233 | abandoned |
| dotnet/pinvoke A collection of .NET libraries providing pre-written, compile-verified P/Invoke signatures for Win32 and other native libraries, packaged a… | 10 | 2176 | abandoned |
| fsharp/fsharp The historical repository for alternative packagings of the F# compiler, F# Interactive (fsi), and FSharp.Core, distributed via the FSharp.… | 10 | 2156 | abandoned |
| Wafer Wafer is Tencent Cloud's fullstack resource kit for rapidly building WeChat mini programs with elastic scaling. It provides session managem… | 32 | 2142 | abandoned |
| SteveSandersonMS/WebWindow A .NET Core library for opening native OS windows containing web-based UI on Windows, Mac, and Linux, serving as a lightweight cross-platfo… | 10 | 1970 | abandoned |
| xamarin/XamarinComponents A collection of open-source bindings and plugins for third-party mobile libraries, built for Xamarin/.NET mobile development. The repositor… | 10 | 1969 | abandoned |
| aspnet/Identity ASP.NET Core Identity is the membership system for ASP.NET Core web applications, providing login, membership, and user data management. Th… | 10 | 1943 | abandoned |
| SharpDX SharpDX is an open-source .NET library providing full bindings to the DirectX API for all Windows platforms, enabling high-performance 2D/3… | 10 | 1754 | abandoned |
| .NET Compiler Platform (Roslyn) The former home of Microsoft's Roslyn source analyzers for .NET, including Microsoft.CodeAnalysis.NetAnalyzers. The repository has been con… | 78 | 1673 | abandoned |
| Mochengvia/PanuonUI.Silver Panuon.UI.Silver is a WPF UI control library for .NET that restyles standard controls using templates and attached properties to give deskt… | 32 | 1628 | abandoned |
| gsscoder/commandline A terse-syntax command line argument parser library for .NET with F# support. This original repository has been moved to the commandlinepar… | 32 | 1608 | abandoned |
| xamarin/XamarinCommunityToolkit A collection of animations, behaviors, converters, and effects for Xamarin.Forms mobile development, simplifying common developer tasks whe… | 10 | 1560 | abandoned |
| sailro/Reflexil Reflexil is a .NET assembly editor that runs as a plugin for Reflector, ILSpy, and JustDecompile. Built on Mono.Cecil, it can manipulate IL… | 10 | 1529 | abandoned |
| Depressurizer/Depressurizer Depressurizer is a Windows desktop application for managing and auto-categorizing large Steam game libraries using data from Steam store pa… | 10 | 1527 | abandoned |
| xamarin/Essentials Xamarin.Essentials provided a single set of cross-platform C# APIs for accessing device features (sensors, storage, connectivity, etc.) in … | 10 | 1494 | abandoned |
| dotnet/corefxlab A sandbox repository for experimenting with new library ideas for the .NET ecosystem, related to the corefx codebase. It is now archived, w… | 10 | 1455 | abandoned |
| geffzhang/NanoFabric NanoFabric is a .NET Core microservices development framework that integrates Consul, Ocelot, Polly, IdentityServer, Exceptionless, Orleans… | 10 | 1450 | abandoned |
| Code52/DownmarkerWPF MarkPad (formerly DownmarkerWPF) is a visual Markdown editor for Windows built with WPF, featuring real-time side-by-side preview, spellche… | 32 | 1443 | abandoned |
| Jessecar96/SteamBot SteamBot is a C# bot framework for interacting with Steam Chat and Steam Trade, allowing users to configure and customize automated trading… | 10 | 1373 | abandoned |
| WWILLV/GodOfHacker GodOfHacker is a satirical C# 'hacker all-in-one tool' whose feature list is intentionally absurd (one-click 0day attacks, stealing QQ acco… | 23 | 1347 | abandoned |
| Scut Game Server Framework Scut is a free, open-source game server framework written in C# for building online games, with server-side scripting support for C#, Pytho… | 23 | 1340 | abandoned |
| zzzprojects/EntityFramework.Extended EntityFramework.Extended is a C# add-on library for Entity Framework 6 providing batch delete/update, query caching, future queries, and au… | 60 | 1327 | abandoned |
| ThatRendle/Simple.Data Simple.Data is a lightweight, dynamic data access library for .NET (C# 4.0) that uses runtime method-name interpretation to eliminate ADO.N… | 32 | 1323 | abandoned |
| aspnet/Security The former home of security and authorization middleware for ASP.NET Core, including authentication handlers for cookies, OAuth, and social… | 10 | 1296 | abandoned |