Core Open Source Projects

🎓 Path to a free self-taught education in Computer Science!

Bitcoin Core integration/staging tree

A V2Ray client for Android, support Xray core and v2fly core

Xray, Penetrates Everything. Also the best v2ray-core. Where the magic happens. An open platform for various uses.

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

Concise, consistent, and legible badges in SVG and raster format

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

Brave browser for Android, iOS, Linux, macOS, Windows.

📝 Minimalistic Vue-powered static site generator

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

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

Clean Architecture Solution Template for ASP.NET Core

Roadmap to becoming an ASP.NET Core developer in 2026

😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

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

Fast linters runner for Go

AdonisJS is a TypeScript-first web framework for building web apps and API servers. It comes with support for testing, modern tooling, an ecosystem of official packages, and more.

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

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

FFmpeg for browser, powered by WebAssembly

Mars is a cross-platform network component developed by WeChat.

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

Diem’s mission is to build a trusted and innovative financial network that empowers people and businesses around the world.

ESP8266 core for Arduino

🍻 Default formulae for the missing package manager for macOS (or Linux)

The ZAP by Checkmarx Core project

Apache Pulsar - distributed pub-sub messaging system

PCSX2 - The Playstation 2 Emulator

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

Vert.x is a tool-kit for building reactive applications on the JVM

Arduino IDE 1.x

Documentation for ASP.NET Core

CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.

The entrance repository of Markdown presentation ecosystem

ASP.NET Boilerplate - Web Application Framework

Simple, unambitious mediator implementation in .NET

:rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.

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Sample ASP.NET Core 8.0 reference application, now community supported: https://github.com/NimblePros/eShopOnWeb

Practical samples of ASP.NET Core 11, 10, 9, 8.0, 7.0, 6.0, 5.0, 3.1, 2.2, and 2.1,projects you can use. Readme contains explanations on all projects.

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

:snowflake: a short introduction to node.js

微信全平台 .NET SDK， Senparc.Weixin for C#，支持 .NET Framework 及 .NET Core、.NET 10.0。已支持微信公众号、小程序、小游戏、微信支付、企业微信/企业号、开放平台、JSSDK、微信周边等全平台。 WeChat SDK for C#.

:cloud: ownCloud web server core (Files, DAV, etc.)

.NET API Gateway

This repository has examples of broken patterns in ASP.NET Core applications

Orchard Core is an open-source modular and multi-tenant application framework built with ASP.NET Core, and a content management system (CMS) built on top of that framework.

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The Workflow Engine for .NET

Distributed Application Framework for .NET

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

GUI for v2ray-core on macOS

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

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

IPFS implementation in JavaScript

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

Quartz Enterprise Scheduler .NET

Web Application ASP.NET 9 using Clean Architecture, DDD, CQRS, Event Sourcing and a lot of good practices

The perfect companion for your Kotlin journey - Inspired by functional, data-oriented and concurrent programming

Monorepo for tools developed by the Rush Stack community