# C#

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

Also called: C sharp, CSharp, C-sharp, See sharp

A [programming language](https://ecosystem.samcarlton.com/tech-stack) made by [Microsoft](https://ecosystem.samcarlton.com/microsoft) and used with .NET for business software, [Windows](https://ecosystem.samcarlton.com/windows) apps, web services and games made with Unity.

**For example:** A Tulsa company hires a C# [developer](https://ecosystem.samcarlton.com/software-engineer) to maintain the internal tools its staff use every day.

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

## Connects to (4)

- [Tech stack](https://ecosystem.samcarlton.com/tech-stack): The set of programming languages and tools a product is built with.
- [.NET](https://ecosystem.samcarlton.com/dotnet): A free, open-source platform from Microsoft for building apps for the web, Windows, phones and the cloud, mostly in C#.
- [Microsoft](https://ecosystem.samcarlton.com/microsoft): The company behind Copilot and Azure.
- [Back end](https://ecosystem.samcarlton.com/back-end): The part of an app that runs out of sight on a server.

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