Asp Net Core GitHub Repositories (2026) · Open Source Tools

Enterprise-grade feature flag platform that you can self-host. Get started - free.

MCP Gateway is a reverse proxy and management layer for MCP servers, enabling scalable, session-aware stateful routing and lifecycle management of MCP servers in Kubernetes environments.

ASP.NET Core backend implementation for RealWorld

Passkeys, FIDO2 and WebAuthn .NET library.

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.

Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 155+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI. If Radzen Blazor is useful to you, a ⭐ on GitHub helps other Blazor developers find it.

A fully open source & end-to-end encrypted note taking alternative to Evernote.

The OpenTelemetry .NET Client

Carter is framework that is a thin layer of extension methods and functionality over ASP.NET Core allowing code to be more explicit and most importantly more enjoyable.

Provides a service to install NuGet packages into a Unity project via the Unity Package Manager

ASP.NET Core Blazor Content Management System (CMS)

Easy integration testing for ASP.NET Core applications

Dynamic Role-Based Access Control for ASP.NET Core MVC, Web API and Razor Pages.

A blog (engine) completely written in C# and Blazor. It aims to be a simple use and easy to extend platform. Blogposts are written in Markdown and are rendered to HTML. This gives all the flexibility needed to express yourself but also have an easy way of creating posts in the first place.

Helps creating protected web apps and web APIs with Microsoft identity platform and Azure AD B2C

A lightweight runtime CSS/JavaScript file minification, combination, compression & management library for ASP.Net Core

WebAuthn (Passkeys) library for .NET.

Sass Compiler Library for .NET Core 3.1/5.x/6.x/7.x without node, using dart-sass as a compiler

PKMDS: Pokémon Save Editor for Web (no support for game hacks)

reCAPTCHA for .NET library lets you easily use Google's reCAPTCHA in an ASP.NET Web Forms / MVC / ASP.NET Core application.