1KnifeLemon / Filee
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.
+7,746 stars
from 12,255 · score 8.96
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
1–100 of 182 by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)
2jellyfin / jellyfin
The Free Software Media System - Server Backend & API
+307 stars
from 58,594 · score 5.73
3files-community / Files
A modern file manager that helps users organize their files and folders.
+220 stars
from 46,218 · score 5.40
4ahwootech / BRUTAL
A free, open source C# framework for making games, or your own game engine. Direct access to native APIs and Vulkan, with the low-level libraries around them. The foundation under Kitten Space Agency and RimWorld's Waylith engine.
+100 stars
from 2,233 · score 4.62
5BeyondDimension / SteamTools
🛠「Watt Toolkit」是一个开源跨平台的多功能 Steam 工具箱。
+98 stars
from 27,280 · score 4.60
6icsharpcode / ILSpy
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
+91 stars
from 26,815 · score 4.52
7bitwarden / server
Bitwarden infrastructure/backend (API, database, Docker, etc).
+75 stars
from 20,477 · score 4.33
8TechnitiumSoftware / DnsServer
Technitium DNS Server
+66 stars
from 10,218 · score 4.20
9d2phap / ImageGlass
🏞 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.
+60 stars
from 14,718 · score 4.11
10EgorBo / BlazingFastDotnet
Tips & tricks to tune .NET workloads for better perf (mostly, targeting benchmarks).
+58 stars
from 237 · score 4.08
11OpenRA / OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
+56 stars
from 17,652 · score 4.04
12dnSpyEx / dnSpy
Unofficial revival of the well known .NET debugger and assembly editor, dnSpy
+48 stars
from 11,334 · score 3.89
13oscarlosu-lab / USBAnywhere
🌐 The Free, Open-Source VirtualHere Alternative for Windows & Linux — Connect unlimited USB devices over LAN, Wi-Fi & Internet (Low-Latency WSK, 1-Click Pi Setup, WHQL Drivers)
+38 stars
from 92 · score 3.66
14huynhsontung / Screenbox
LibVLC-based media player for the Universal Windows Platform
+33 stars
from 4,624 · score 3.53
15studyzy / imewlconverter
”深蓝词库转换“ 一款开源免费的输入法词库转换程序
+31 stars
from 10,466 · score 3.47
16AvaloniaUI / Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
+30 stars
from 31,713 · score 3.43
17jasontaylordev / CleanArchitecture
Clean Architecture Solution Template for ASP.NET Core
+30 stars
from 20,668 · score 3.43
18Zaneris / passenger
An open-source IDE for C# and .NET, built with Avalonia, for Windows, macOS and Linux: a Roslyn-powered editor, its own debugger with Hot Reload, a CPU and memory profiler, XAML tooling for Avalonia and WPF, and an MCP server for coding agents.
+30 stars
from 182 · score 3.43
19BillyNabil / nabyscape
A customizable Windows desktop island for music, focus, live lyrics and your own AI companion.
+28 stars
from 136 · score 3.37
20MonoGame / MonoGame
One framework for creating powerful cross-platform games.
+24 stars
from 14,572 · score 3.22
21AIDotNet / pi.net
Pi.NET 是 Pi 的 .NET 10 移植版。Pi 是一个极简、可扩展的 Agent harness（TypeScript monorepo，约 17.1 万行），本项目把它的核心库逐一移植到 net10.0，让 .NET 生态用上同一套能力。
+24 stars
from 89 · score 3.22
22winsw / winsw
A wrapper executable that can run any executable as a Windows service, in a permissive license.
+18 stars
from 14,384 · score 2.94
23mono / SkiaSharp
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
+18 stars
from 5,615 · score 2.94
24kgrzybek / modular-monolith-with-ddd
Full Modular Monolith application with Domain-Driven Design approach.
+17 stars
from 14,092 · score 2.89
25dotnet / runtime
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
+15 stars
from 18,389 · score 2.77
26JustArchiNET / ArchiSteamFarm
C# application with primary purpose of farming Steam cards from multiple accounts simultaneously.
+15 stars
from 13,767 · score 2.77
27YSGStudyHards / DotNetGuide
🌈【C#/.NET/.NET Core学习、工作、面试指南】记录、收集和总结C#/.NET/.NET Core基础知识、学习路线、开发实战、编程技巧练习、学习视频、文章、书籍、项目框架、社区组织、开发必备工具、技术前沿周刊、常见面试题、面试须知、简历模板、人才招聘、以及自己在学习和工作中的一些微薄见解。希望能和大家一起学习，共同进步。如果本知识库能为您提供帮助，别忘了给予支持哦(关注、点赞、分享)💖。
+14 stars
from 11,095 · score 2.71
28unoplatform / uno
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
+13 stars
from 10,086 · score 2.64
29EvotecIT / OfficeIMO
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
+13 stars
from 636 · score 2.64
30zion-sati / NetWasm
Compile C# and .NET CIL to small standalone Wasm with WASI (AOT with built-in Runtime and Precise GC)
+13 stars
from 268 · score 2.64
31spectreconsole / spectre.console
A .NET library that makes it easier to create beautiful console applications.
+10 stars
from 11,675 · score 2.40
32openiddict / openiddict-core
Flexible and versatile OAuth 2.0/OpenID Connect stack for .NET
+10 stars
from 5,282 · score 2.40
33pardeike / Harmony
A library for patching, replacing and decorating .NET and Mono methods during runtime
+9 stars
from 6,715 · score 2.30
34dotnet / BenchmarkDotNet
Powerful .NET library for benchmarking
+8 stars
from 11,518 · score 2.20
35tui-cs / Terminal.Gui
Cross Platform Terminal UI toolkit for .NET
+8 stars
from 11,291 · score 2.20
36ant-design-blazor / ant-design-blazor
🌈A rich set of enterprise-class UI components based on Ant Design and Blazor.
+8 stars
from 6,180 · score 2.20
37PintaProject / Pinta
Simple GTK Paint Program
+8 stars
from 4,111 · score 2.20
38quartznet / quartznet
Quartz Enterprise Scheduler .NET
+7 stars
from 7,096 · score 2.08
39akkadotnet / akka.net
Canonical actor model implementation for .NET with local + distributed actors in C# and F#.
+7 stars
from 5,089 · score 2.08
40sebastienros / jint
Javascript Interpreter for .NET
+7 stars
from 4,742 · score 2.08
41FlaUI / FlaUI
UI automation library for .Net
+7 stars
from 3,184 · score 2.08
42TASEmulators / BizHawk
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.
+7 stars
from 2,806 · score 2.08
43featbit / featbit
Enterprise-grade feature flag platform that you can self-host. Get started - free.
+7 stars
from 1,947 · score 2.08
44elsa-workflows / elsa-core
The Workflow Engine for .NET
+6 stars
from 7,916 · score 1.95
45pythonnet / pythonnet
Python for .NET is a package that gives Python programmers nearly seamless integration with the .NET Common Language Runtime (CLR) and provides a powerful application scripting tool for .NET developers.
+6 stars
from 5,527 · score 1.95
46ZiggyCreatures / FusionCache
FusionCache is an easy to use, fast and robust hybrid cache with advanced resiliency features.
+6 stars
from 3,937 · score 1.95
47dotnet / maui
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
+5 stars
from 23,325 · score 1.79
48MathewSachin / Captura
Capture Screen, Audio, Cursor, Mouse Clicks and Keystrokes
+5 stars
from 10,866 · score 1.79
49HangfireIO / Hangfire
An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required
+5 stars
from 10,151 · score 1.79
50thangchung / clean-code-dotnet
:bathtub: Clean Code concepts and tools adapted for .NET
+5 stars
from 7,747 · score 1.79
51xoofx / markdig
A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET
+5 stars
from 5,348 · score 1.79
52riok / mapperly
A .NET source generator for generating object mappings. No runtime reflection.
+5 stars
from 4,197 · score 1.79
53dotnet / sdk
Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI
+5 stars
from 3,237 · score 1.79
54wiz0u / WTelegramClient
Telegram Client API (MTProto) library written 100% in C# and .NET
+5 stars
from 1,321 · score 1.79
55friflo / Friflo.Engine.ECS
High-performance C# ECS
+5 stars
from 797 · score 1.79
56Kaliumhexacyanoferrat / GenHTTP
Lightweight embeddable web server written in pure C# with few dependencies to 3rd-party libraries.
+5 stars
from 342 · score 1.79
57mono / mono
Mono open source ECMA CLI, C# and .NET implementation.
+4 stars
from 11,470 · score 1.61
58dotnet / orleans
Cloud Native application framework for .NET
+4 stars
from 10,915 · score 1.61
59nopSolutions / nopCommerce
ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.
+4 stars
from 10,168 · score 1.61
60bchavez / Bogus
:card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.
+4 stars
from 9,746 · score 1.61
61shimat / opencvsharp
OpenCV wrapper for .NET
+4 stars
from 6,117 · score 1.61
62dotnet / docfx
Static site generator for .NET API documentation.
+4 stars
from 4,443 · score 1.61
63CommunityToolkit / dotnet
.NET Community Toolkit is a collection of helpers and APIs that work for all .NET developers and are agnostic of any specific UI platform. The toolkit is maintained and published by Microsoft, and part of the .NET Foundation.
+4 stars
from 3,771 · score 1.61
64npgsql / npgsql
Npgsql is the .NET data provider for PostgreSQL.
+4 stars
from 3,744 · score 1.61
65Tyrrrz / YoutubeExplode
Abstraction layer over YouTube's internal API
+4 stars
from 3,745 · score 1.61
66JasperFx / marten
.NET Transactional Document DB and Event Store on PostgreSQL
+4 stars
from 3,466 · score 1.61
67mono / CppSharp
Tools and libraries to glue C/C++ APIs to high-level languages
+4 stars
from 3,404 · score 1.61
68coverlet-coverage / coverlet
Cross platform code coverage for .NET
+4 stars
from 3,177 · score 1.61
69CommunityToolkit / Maui
The .NET MAUI Community Toolkit is a community-created library that contains .NET MAUI Extensions, Advanced UI/UX Controls, and Behaviors to help make your life as a .NET MAUI developer easier
+4 stars
from 2,703 · score 1.61
70uxmal / reko
Reko is a binary decompiler.
+4 stars
from 2,626 · score 1.61
71sipsorcery-org / sipsorcery
A WebRTC, SIP and VoIP library for C# and .NET. Designed for real-time communications apps.
+4 stars
from 1,955 · score 1.61
72dotnet / aspnetcore
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
+3 stars
from 38,495 · score 1.39
73litedb-org / LiteDB
LiteDB - A .NET NoSQL Document Store in a single data file
+3 stars
from 9,489 · score 1.39
74opserver / Opserver
Stack Exchange's Monitoring System
+3 stars
from 4,561 · score 1.39
75ExcelDataReader / ExcelDataReader
Lightweight and fast library written in C# for reading Microsoft Excel files
+3 stars
from 4,419 · score 1.39
76testcontainers / testcontainers-dotnet
A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.
+3 stars
from 4,369 · score 1.39
77lukencode / FluentEmail
All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.
+3 stars
from 3,215 · score 1.39
78kgrzybek / sample-dotnet-core-cqrs-api
Sample .NET Core REST API CQRS implementation with raw SQL and DDD using Clean Architecture.
+3 stars
from 3,061 · score 1.39
79aaubry / YamlDotNet
YamlDotNet is a .NET library for YAML
+3 stars
from 2,871 · score 1.39
80peachpiecompiler / peachpie
PeachPie - the PHP compiler and runtime for .NET and .NET Core
+3 stars
from 2,484 · score 1.39
81belav / csharpier
CSharpier is an opinionated code formatter for c#.
+3 stars
from 2,349 · score 1.39
82dotnet / spark
.NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.
+3 stars
from 2,095 · score 1.39
83dotnet / dotNext
Next generation API for .NET
+3 stars
from 1,967 · score 1.39
84Finbuckle / Finbuckle.MultiTenant
MultiTenant is an open source multi-tenancy library for modern .NET created and maintained by Finbuckle LLC.
+3 stars
from 1,632 · score 1.39
85nietras / Sep
One of the World's Fastest .NET CSV Parsers. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.
+3 stars
from 1,479 · score 1.39
86mrpmorris / Fluxor
Fluxor is a zero boilerplate Flux/Redux library for Microsoft .NET and Blazor.
+3 stars
from 1,472 · score 1.39
87TheAxelander / OpenBudgeteer
OpenBudgeteer is a budgeting app based on the Bucket Budgeting Principle
+3 stars
from 971 · score 1.39
88haga-rak / fluxzy.core
Fast and fully streamed Man-On-The-Middle to intercept, record, impersonate and alter HTTP/1.1, H2, websocket and gRPC traffic.
+3 stars
from 373 · score 1.39
89realvizu / NsDepCop
NsDepCop is a static code analysis tool that enforces namespace and assembly dependency rules in C# projects.
+3 stars
from 300 · score 1.39
90seclerp / dotnet-chrome-protocol
A runtime library and schema code generation tools for Chrome DevTools Protocol support in C#/.NET.
+3 stars
from 31 · score 1.39
91ardalis / CleanArchitecture
Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10
+2 stars
from 18,531 · score 1.10
92MassTransit / MassTransit
Distributed Application Framework for .NET
+2 stars
from 7,811 · score 1.10
93ChilliCream / graphql-platform
Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
+2 stars
from 5,761 · score 1.10
94commandlineparser / commandline
The best C# command line parser that brings standardized *nix getopt style, for .NET. Includes F# support
+2 stars
from 4,817 · score 1.10
95xunit / xunit
xUnit.net is a free, open source, community-focused unit testing tool for .NET.
+2 stars
from 4,614 · score 1.10
96tmenier / Flurl
Fluent URL builder and testable HTTP client for .NET
+2 stars
from 4,405 · score 1.10
97jamesmh / coravel
Near-zero config .NET library that makes advanced application features like Task Scheduling, Caching, Queuing, Event Broadcasting, and more a breeze!
+2 stars
from 4,287 · score 1.10
98kerryjiang / SuperSocket
SuperSocket is a high-performance, extensible socket server application framework for .NET. It provides a robust architecture for building custom network communication applications with support for multiple protocols including TCP, UDP, and WebSocket.
+2 stars
from 4,238 · score 1.10
99ravendb / ravendb
ACID Document Database
+2 stars
from 4,011 · score 1.10
100MvvmCross / MvvmCross
The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI
+2 stars
from 3,920 · score 1.10