Top Dotnet repositories

Repositories with the GitHub topic “dotnet”: 75 repositories with 1M stars between them, mostly written in C#, C++ and Go. The highest-rated is KnifeLemon/Filee, #145 on the bestofgithub Elo ladder.

Biggest movers this week

KnifeLemon/Filee

Open on GitHubC#

Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

  • 2,173+8 Elo, change today
  • +389 stars gained
  • 27.5k stars
  • 1.5k forks
  • 53 watchers
git
git clone https://github.com/KnifeLemon/Filee.git
  • audio-converter
  • avalonia
  • batch-conversion
  • converter

IridiumIO/CompactGUI

Open on GitHubVisual Basic .NET

Reduce the space taken up by games and programs on disk by using native Windows APIs

  • 1,565+8 Elo, change today
  • 9.3k stars
  • 356 forks
git
git clone https://github.com/IridiumIO/CompactGUI.git
  • compressing-folders
  • compression
  • csharp
  • dotnet

LykosAI/StabilityMatrix

Open on GitHubC#

Multi-Platform Package Manager for Stable Diffusion

  • 1,536+4 Elo, change today
  • 9k stars
  • 621 forks
git
git clone https://github.com/LykosAI/StabilityMatrix.git
  • ai
  • automatic1111
  • avalonia
  • comfyui

heroiclabs/nakama

Open on GitHubGo

Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

  • 1,676+8 Elo, change today
  • 13.7k stars
  • 1.5k forks
git
git clone https://github.com/heroiclabs/nakama.git
  • backend
  • cpp
  • csharp
  • dotnet

d2phap/ImageGlass

Open on GitHubC#

🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.

  • 1,733+11 Elo, change today
  • 14.9k stars
  • 768 forks
  • 94 watchers
git
git clone https://github.com/d2phap/ImageGlass.git
  • appimage
  • avalonia
  • avif
  • cross-platform

KnifeLemon/Filee

Open on GitHubC#

Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

  • 2,173+8 Elo, change today
  • +389 stars gained
  • 27.5k stars
  • 1.5k forks
  • 53 watchers
git
git clone https://github.com/KnifeLemon/Filee.git
  • audio-converter
  • avalonia
  • batch-conversion
  • converter

Top 75 on the Elo ladder

  1. #145
    KnifeLemon/Filee

    Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint…

    2,173 Elo +12227.5kC#
  2. #352
    jellyfin/jellyfin

    The Free Software Media System - Server Backend & API

    2,038 Elo −659.4kC#
  3. #716
    files-community/Files

    A modern file manager that helps users organize their files and folders.

    1,913 Elo 46.6kC#
  4. #1,021
    icsharpcode/ILSpy

    .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

    1,852 Elo −4527kC#
  5. #1,026
    k2-fsa/sherpa-onnx

    Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen…

    1,852 Elo +3215.9kC++
  6. #1,109
    microsoft/agent-framework

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and…

    1,840 Elo +3314.6kPython
  7. #1,129
    BeyondDimension/SteamTools

    🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。

    1,837 Elo +3427.5kC#
  8. #1,146
    itsfatduck/optimizerDuck

    Free, open-source Windows optimization tool for performance, privacy, and simplicity.

    1,835 Elo +15111.7kC#
  9. #1,389
    AvaloniaUI/Avalonia

    Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

    1,799 Elo −4031.8kC#
  10. #1,576
    dotnet/aspnetcore

    ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or…

    1,776 Elo +238.5kC#
  11. #1,838
    OpenRA/OpenRA

    Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C#…

    1,745 Elo −1017.7kC#
  12. #1,862
    bitwarden/server

    Bitwarden infrastructure/backend (API, database, Docker, etc).

    1,743 Elo −2420.6kC#
  13. #1,933
    SeleniumHQ/selenium

    A browser automation framework and ecosystem.

    1,735 Elo −2034.5kJava
  14. #1,949
    d2phap/ImageGlass

    🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built…

    1,733 Elo +3914.9kC#
  15. #2,008
    dotnet/runtime

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    1,726 Elo +3518.4kC#
  16. #2,293
    pulumi/pulumi

    Pulumi - Infrastructure as Code in any programming language 🚀

    1,696 Elo +725.9kGo
  17. #2,494
    heroiclabs/nakama

    Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.

    1,676 Elo +4713.7kGo
  18. #2,768
    jasontaylordev/CleanArchitecture

    Clean Architecture Solution Template for ASP.NET Core

    1,655 Elo −3420.7kC#
  19. #3,040
    dotnet/core

    .NET news, announcements, release notes, and more!

    1,633 Elo −3622kPowerShell
  20. #3,102
    quozd/awesome-dotnet

    A collection of awesome .NET libraries, tools, frameworks and software

    1,629 Elo −4221.7k
  21. #3,192
    MonoGame/MonoGame

    One framework for creating powerful cross-platform games.

    1,624 Elo +414.6kC#
  22. #3,475
    TechnitiumSoftware/DnsServer

    Technitium DNS Server

    1,607 Elo +3810.3kC#
  23. #3,549
    ardalis/CleanArchitecture

    Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10

    1,602 Elo −3118.5kC#
  24. #3,676
    winsw/winsw

    A wrapper executable that can run any executable as a Windows service, in a permissive license.

    1,594 Elo +114.4kC#
  25. #3,972
    dotnet/maui

    .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile…

    1,575 Elo −3923.3kC#
  26. #4,064
    JustArchiNET/ArchiSteamFarm

    C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.

    1,570 Elo +1913.8kC#
  27. #4,160
    IridiumIO/CompactGUI

    Reduce the space taken up by games and programs on disk by using native Windows APIs

    1,565 Elo +659.3kVisual Basic .NET
  28. #4,251
    kgrzybek/modular-monolith-with-ddd

    Full Modular Monolith application with Domain-Driven Design approach.

    1,559 Elo −5514.1kC#
  29. #4,395
    MoienTajik/AspNetCore-Developer-Roadmap

    Roadmap to becoming an ASP.NET Core developer in 2026

    1,551 Elo −4219.6k
  30. #4,477
    nopSolutions/nopCommerce

    ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.

    1,546 Elo −4210.1kC#
  31. #4,625
    dotnet/corefx

    This repo is used for servicing PR's for .NET Core 2.1 and 3.1. Please visit us at https://github.com/dotnet/runtime

    1,538 Elo −5817.4k
  32. #4,661
    LykosAI/StabilityMatrix

    Multi-Platform Package Manager for Stable Diffusion

    1,536 Elo +539kC#
  33. #4,691
    YSGStudyHards/DotNetGuide

    🌈【C#/.NET/.NET Core学习、工作、面试指南】记录、收集和总结C#/.NET/.NET…

    1,535 Elo −4411.1kC#
  34. #4,927
    microsoft/react-native-windows

    A framework for building native Windows apps with React.

    1,523 Elo −1317.3kC++
  35. #4,956
    MathewSachin/Captura

    Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes

    1,521 Elo −110.8kC#
  36. #5,288
    mono/mono

    Mono open source ECMA CLI, C# and .NET implementation.

    1,506 Elo −2711.4kC#
  37. #5,382
    aspnetboilerplate/aspnetboilerplate

    ASP.NET Boilerplate - Web Application Framework

    1,502 Elo −4312kC#
  38. #5,388
    studyzy/imewlconverter

    ”深蓝词库转换“ 一款开源免费的输入法词库转换程序

    1,501 Elo +2410.5kC#
  39. #5,402
    awsdocs/aws-doc-sdk-examples

    Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK…

    1,501 Elo −2710.4kJava
  40. #5,516
    unoplatform/uno

    Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML…

    1,496 Elo +2910.1kC#
  41. #5,544
    amplication/amplication

    Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers -…

    1,495 Elo −4116kTypeScript
  42. #5,575
    quasar/Quasar

    Remote Administration Tool for Windows

    1,493 Elo +29.9kC#
  43. #5,752
    dotnet/orleans

    Cloud Native application framework for .NET

    1,485 Elo −410.9kC#
  44. #5,908
    egametang/ET

    Unity3D Client And C# Server Framework

    1,478 Elo −79.9kC#
  45. #5,931
    App-vNext/Polly

    Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as…

    1,477 Elo −3414.2kC#
  46. #5,936
    fullstackhero/dotnet-starter-kit

    Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular…

    1,476 Elo 6.8kC#
  47. #6,046
    lepoco/wpfui

    WPF UI provides the Fluent experience in your known and loved WPF framework. Intuitive design, themes, navigation and…

    1,471 Elo −69.7kC#
  48. #6,122
    dotnet/coreclr

    CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and…

    1,468 Elo −4512.7k
  49. #6,215
    spectreconsole/spectre.console

    A .NET library that makes it easier to create beautiful console applications.

    1,464 Elo +411.6kC#
  50. #6,357
    tui-cs/Terminal.Gui

    Cross Platform Terminal UI toolkit for .NET

    1,458 Elo −311.3kC#
  51. #6,473
    microsoft/Mastering-GitHub-Copilot-for-Paired-Programming

    A multi-module course teaching everything you need to know about using GitHub Copilot as an AI Peer Programming…

    1,453 Elo −198.1kPython
  52. #6,492
    dotnet/BenchmarkDotNet

    Powerful .NET library for benchmarking

    1,453 Elo −311.5kC#
  53. #6,716
    elsa-workflows/elsa-core

    The Workflow Engine for .NET

    1,444 Elo −177.9kC#
  54. #6,749
    dotnet/machinelearning

    ML.NET is an open source and cross-platform machine learning framework for .NET.

    1,443 Elo −169.3kC#
  55. #6,774
    docker-archive-public/docker.labs

    This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.

    1,442 Elo −611.8kPHP
  56. #6,972
    HangfireIO/Hangfire

    An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate…

    1,434 Elo −1510.1kC#
  57. #7,142
    quartznet/quartznet

    Quartz Enterprise Scheduler .NET

    1,428 Elo −187.1kC#
  58. #7,309
    ThreeMammals/Ocelot

    .NET API Gateway

    1,421 Elo −78.7kC#
  59. #7,340
    reactiveui/refit

    The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient…

    1,420 Elo +159.5kC#
  60. #7,427
    dotnet/wpf

    WPF is a .NET Core UI framework for building Windows desktop applications.

    1,416 Elo −107.7kC#
  61. #7,529
    litedb-org/LiteDB

    LiteDB - A .NET NoSQL Document Store in a single data file

    1,413 Elo −269.4kC#
  62. #7,761
    MassTransit/MassTransit

    Distributed Application Framework for .NET

    1,404 Elo −127.8kC#
  63. #7,762
    reactiveui/ReactiveUI

    A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable…

    1,404 Elo −48.5kC#
  64. #7,892
    ScottPlot/ScottPlot

    Interactive plotting library for .NET

    1,400 Elo −86.8kC#
  65. #7,982
    thangchung/clean-code-dotnet

    :bathtub: Clean Code concepts and tools adapted for .NET

    1,396 Elo −17.7kC#
  66. #8,432
    NLog/NLog

    NLog - Flexible and Structured Logging for various .NET Platforms

    1,378 Elo −56.5kC#
  67. #8,487
    bchavez/Bogus

    :card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.

    1,376 Elo −189.7kC#
  68. #8,530
    RicoSuter/NSwag

    The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript.

    1,374 Elo −87.3kC#
  69. #8,776
    pardeike/Harmony

    A library for patching, replacing and decorating .NET and Mono methods during runtime

    1,362 Elo +326.7kC#
  70. #8,802
    NancyFx/Nancy

    Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

    1,361 Elo −167kC#
  71. #9,270
    ElectronNET/Electron.NET

    :electron: Build cross platform desktop apps with ASP.NET Core (Razor Pages, MVC, Blazor).

    1,335 Elo −167.6kC#
  72. #9,643
    Elfocrash/.NET-Backend-Developer-Roadmap

    Roadmap for a .NET Backend Developer working with Microservices

    1,301 Elo −106.8k
  73. #10,185
    ersinkoc/phonebox

    Turn an old Android phone into a customizable desk panel and touch control deck for Windows, Linux and macOS. 115…

    698 Elo −41.1kC#
  74. #10,189
    serenity-is/Serenity

    Business Apps Made Simple with Asp.Net Core MVC / TypeScript

    695 Elo −1102.6kC#
  75. #10,234
    giraffe-fsharp/Giraffe

    A native functional ASP.NET Core web framework for F# developers.

    623 Elo −222.2kF#