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.

game-engine
strategy-game-engine
csharp
cross-platform

Translated[.NET] m3u8 downloader. An open-source command-line m3u8/HLS/dash downloader that supports ordinary AES-128-CBC decryption, multithreading, custom request headers, etc. Supports Simplified Chinese, Traditional Chinese and English. English Supported.

m3u8dl-cli
m3u8
m3u8-downloader
m3u8-parser

Flow-Launcher /Flow.Launcher

C#16K674

:mag: Quick file search & app launcher for Windows with community-made plugins

search
launcher
portable
plugins

Tichau /FileConverter

C#16K947

File Converter is a very simple tool which allows you to convert and compress files using the context menu in windows explorer.

QuestPDF /QuestPDF

C#14K776

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.

pdf
nuget
c-sharp
dotnet-core

Kareadita /Kavita

C#12K697

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.

manga
self-hosted
metadata
media-server

dnSpyEx /dnSpy

C#11K778

Unofficial revival of the well known .NET debugger and assembly editor, dnSpy

baml
csharp
debug
debugger

coding-horror /basic-computer-games

C#11K1.3K

An updated version of the classic "Basic Computer Games" book, with well-written examples in a variety of common MEMORY SAFE, SCRIPTING programming languages. See https://coding-horror.github.io/basic-computer-games/

basic-computer-games
classic-game
basic

dotnet /eShop

C#11K3.9K

A reference .NET application implementing an eCommerce site

dotnet /orleans

C#11K2.2K

Cloud Native application framework for .NET

actor-model
distributed-actors
distributed-systems
cloud-computing

MudBlazor /MudBlazor

C#11K1.7K

Blazor Component Library based on Material Design principles. Do more with Blazor, utilizing CSS and keeping JavaScript to a bare minimum.

blazor
material
wasm
blazor-components

nopSolutions /nopCommerce

C#10K6.1K

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

reactiveui /ReactiveUI

C#8.6K1.2K

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.