# .NET

Tool · [Standard tools and platforms](https://ecosystem.samcarlton.com/tools)

Also called: dotnet, dot net, .NET Core, ASP.NET, Dot Net

A free, [open-source](https://ecosystem.samcarlton.com/open-source) platform from [Microsoft](https://ecosystem.samcarlton.com/microsoft) for building apps for the web, [Windows](https://ecosystem.samcarlton.com/windows), phones and [the cloud](https://ecosystem.samcarlton.com/terms/cloud), mostly in C#.

**For example:** A company builds its customer portal on .NET because its [developers](https://ecosystem.samcarlton.com/software-engineer) already know C#.

Official site: <https://dotnet.microsoft.com>

## Connects to (8)

- [Tech stack](https://ecosystem.samcarlton.com/tech-stack): The set of programming languages and tools a product is built with.
- [C#](https://ecosystem.samcarlton.com/csharp): A programming language made by Microsoft and used with .NET for business software, Windows apps, web services and games made with Unity.
- [Microsoft](https://ecosystem.samcarlton.com/microsoft): The company behind Copilot and Azure.
- [Microsoft Azure](https://ecosystem.samcarlton.com/azure): Microsoft's cloud provider.
- [Tulsa.Net](https://ecosystem.samcarlton.com/tulsa-dotnet): A Tulsa user group for developers who use Microsoft's .NET tools, part of the Techlahoma network.
- [Windows Forms](https://ecosystem.samcarlton.com/windows-forms): A Microsoft framework for building desktop apps for Windows with .NET.
- [Windows Presentation Foundation](https://ecosystem.samcarlton.com/wpf): A Microsoft framework for building Windows desktop apps with .NET, with richer layouts and graphics than Windows Forms.
- [Windows](https://ecosystem.samcarlton.com/windows): Microsoft's operating system for personal computers, the most common one on office desktops and laptops.

Map view: https://ecosystem.samcarlton.com/dotnet