SakiRinn / LiveCaptions-Translator

Lightweight and powerful real-time audio/speech translation tool based on Windows LiveCaptions.

ShareX / ShareX

ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.

iOfficeAI / OfficeCLI

OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.

NickeManarin / ScreenToGif

🎬 ScreenToGif allows you to record a selected area of your screen, edit and save it as a gif or video.

icsharpcode / ILSpy

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

jasontaylordev / CleanArchitecture

Clean Architecture Solution Template for ASP.NET Core

OpenRA / 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.

MonoGame / MonoGame

One framework for creating powerful cross-platform games.

App-vNext / Polly

Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.

QuestPDF / QuestPDF

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

Kareadita / Kavita

Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.

spectreconsole / spectre.console

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

chocolatey / choco

Chocolatey - the package manager for Windows

Cysharp / UniTask

Provides an efficient allocation free async/await integration for Unity.

HangfireIO / Hangfire

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

reactiveui / refit

The automatic type-safe REST library for .NET. Refit turns a REST API into a C# interface and generates the HttpClient implementation, with support for HttpClientFactory, pluggable serializers and a testing package.

SignalR / SignalR

Incredibly simple real-time web for .NET

nilaoda / N_m3u8DL-RE

Cross-Platform, modern and powerful stream downloader for MPD/M3U8/ISM. English/简体中文/繁體中文.

reactiveui / ReactiveUI

A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.

STranslate / STranslate

A ready-to-go translation ocr tool developed with WPF/WPF 开发的一款即用即走的翻译、OCR工具

Prowlarr / Prowlarr

Prowlarr is an indexer manager/proxy built on the popular *arr .net/reactjs base stack to integrate with your various PVR apps, supporting management of both Torrent Trackers and Usenet Indexers.

dotnet / reactive

The Reactive Extensions for .NET

fullstackhero / dotnet-starter-kit

Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular Architecture that saves roughly 200+ Development Hours! All Batteries Included.

microsoft / FASTER

Fast persistent recoverable log and key-value store + cache, in C# and C++.

Facepunch / sbox-public

s&box is a modern game engine, built on Valve's Source 2 and the latest .NET technology, it provides a modern intuitive editor for creating games

dotnet-state-machine / stateless

A simple library for creating state machines in C# code

nissl-lab / npoi

a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

ldqk / Masuit.Tools

全龄段友好的C#万能工具库，码数吐司库，包含一些常用的操作类，大都是静态类，加密解密，反射操作，权重随机筛选算法，分布式短id，表达式树，linq扩展，文件压缩，多线程下载，硬件信息，字符串扩展方法，日期时间扩展操作，中国农历，大文件拷贝，图像裁剪，验证码，断点续传，集合扩展、Excel导出等常用封装。诸多功能集一身，代码量不到2MB！

kurrent-io / KurrentDB

KurrentDB is a database that's engineered for modern software applications and event-driven architectures. Its event-native design simplifies data modeling and preserves data integrity while the integrated streaming engine solves distributed messaging challenges and ensures data consistency.

ramjke / Translumo

Advanced real-time screen translator for games, hardcoded subtitles in videos, static text and etc.

ChilliCream / 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.

tixl3d / tixl

TiXL is an open source software to create realtime motion graphics.

akkadotnet / akka.net

Canonical actor model implementation for .NET with local + distributed actors in C# and F#.

Tyrrrz / CliWrap

Library for interacting with command-line interfaces

BililiveRecorder / BililiveRecorder

录播姬 | mikufans 生放送录制

focus-creative-games / luban

luban是一个强大、易用、优雅、稳定的游戏配置解决方案。luban is a powerful, easy-to-use, elegant and stable game configuration solution.

Cysharp / MagicOnion

Unified Realtime/API framework for .NET platform and Unity.

ExcelDataReader / ExcelDataReader

Lightweight and fast library written in C# for reading Microsoft Excel files

PowerShell / PSReadLine

A bash inspired readline implementation for PowerShell

kerryjiang / 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.

SteveTheKiller / KillerPDF

Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

Cysharp / R3

The new future of dotnet/reactive and UniRx.

borisdj / EFCore.BulkExtensions

Entity Framework EF Core efcore Bulk Batch Extensions with BulkCopy in .Net for Insert Update Delete Read (CRUD), Truncate and SaveChanges operations on SQL Server, PostgreSQL, MySQL, SQLite, Oracle

ZiggyCreatures / FusionCache

FusionCache is an easy to use, fast and robust hybrid cache with advanced resiliency features.

Ruben2776 / PicView

Fast, free and customizable picture viewer

mini-software / MiniExcel

Lightweight, fast and native cross-platform processing tool for importing and exporting spreadsheet documents.

Arcenox-co / TickerQ

TickerQ is a fast, reflection-free background task scheduler for .NET built with source generators, EF Core integration, cron + time-based execution, and a real-time dashboard.

Interkarma / daggerfall-unity

Open source recreation of Daggerfall in the Unity engine

4sval / FModel

Unreal Engine Archives Explorer

dotnet / extensions

This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

dotnet / sdk

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

microsoft / Generative-AI-for-beginners-dotnet

Five lessons, learn how to really apply AI to your .NET Applications

danielpalme / ReportGenerator

ReportGenerator converts coverage reports generated by coverlet, OpenCover, dotCover, Visual Studio, NCover, Cobertura, JaCoCo, Clover, gcov or lcov into human readable reports in various formats.

micjahn / ZXing.Net

.Net port of the original java-based barcode reader and generator library zxing

bepu / bepuphysics2

Pure C# 3D real time physics simulation library, now with a higher version number.

zzzprojects / html-agility-pack

Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.

CommunityToolkit / 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

Cleanuparr / Cleanuparr

Advanced download manager for the Servarr ecosystem

UglyToad / PdfPig

Read and extract text and other content from PDFs in C# (port of PDFBox)

NuGetPackageExplorer / NuGetPackageExplorer

Create, update and deploy Nuget Packages with a GUI