Aspnetcore GitHub Repositories (2026) · Open Source Tools

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

OpenID 2.0 authentication middleware for ASP.NET Core

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

Oqtane is an open-source developer productivity platform for building modern .NET applications and websites that run on Web, Desktop and Mobile.

A repo to show you how to use a private NuGet feed to restore packages in Azure DevOps, GitHub Actions, GitLab CI and AppCenter.

Backend for frontend security using Angular CLI and ASP.NET Core backend

Star if Papyra keeps your notes yours! A self-hosted, Google Keep-style notes app where every note is a plain Markdown file on your disk. Live collaboration, passkeys, encrypted locked notes, full-text search and one-container Docker setup. Crafted with 💗 for people who want their notes without lock-in.

A library for using FluentValidation with Blazor EditForm components. Provides seamless integration between FluentValidation and Blazor forms with support for real-time validation, nested objects, async validation, and rule sets.

Extensions for Microsoft.AspNetCore.OpenApi

A highly-performant memo component for Blazor, similar to React.memo, that avoids redundant re-renders and lifecycle method calls.

DNTCommon.Web.Core provides common scenarios' solutions for ASP.NET Core applications.

Inject OWASP recommended HTTP Headers for increased security in a single line

A home for your business logic in any .NET application.

:shield: The independent, comprehensive directory of filter and host lists for advertisements, trackers, malware, and annoyances.

OAuth 2.0 social authentication providers for ASP.NET Core