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Aspnetcore

Open source

ASP.NET Core is a free, open-source, cross-platform framework for building web apps and services with .NET and C#.

Open-source alternative to

asp.net
Aspnetcore homepage screenshot
GitHub stars
38k
Last 30 days
+—
Last commit
today
Repository age
12 years
Version
v10.0.13
Licence
MIT
Self-hosted
Yes

About Aspnetcore

ASP.NET Core is a framework for building web apps and services with .NET and C#. It is free, cross-platform, and open source, supported on Windows, Linux, and macOS.

It includes tools and libraries for building web apps, including Blazor for web UI, REST APIs, real-time communication, and AI/ML integration. It is designed for building fast and scalable web applications.

Key features

  • Cross-platform support for Windows, Linux, and macOS
  • Includes Blazor, a web UI framework for building fast and secure web apps
  • Supports building full stack web apps with HTML, CSS, and C#
  • Enables development of REST APIs for various clients
  • Provides real-time bi-directional communication between server and client
  • Integrates with C#, OpenAI, and Azure for building AI and ML apps

Good fit for

  • Building full stack web applications
  • Developing REST APIs
  • Creating real-time web applications
Tags
web-framework
dotnet
csharp
open-source
cross-platform

Aspnetcore: questions and answers

What is Aspnetcore used for?
Aspnetcore is a free, open-source, cross-platform framework for building web apps and services with .NET and C#. It is a good fit for building full stack web applications, developing REST APIs and creating real-time web applications.
Is Aspnetcore open source?
Yes. Aspnetcore is open source under the MIT licence. Its source code is on GitHub at dotnet/aspnetcore and is written mainly in C#.
Is Aspnetcore free?
Yes. Aspnetcore is open source, so the software itself is free to use. A managed cloud version is also available.
Can I self-host Aspnetcore?
Yes. Aspnetcore can be self-hosted on your own server or infrastructure.
What is Aspnetcore an alternative to?
Aspnetcore is an open-source alternative to Pusher. Other open-source alternatives to Pusher include Rubyonrails, Phoenix and NATS.
Is Aspnetcore actively maintained?
Yes. The most recent commit to Aspnetcore was on 13 October 2026, and the latest release is v10.0.13, published on 13 October 2026. The project has 38k stars on GitHub.

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