C# Language
The C# language itself: syntax, semantics, type system, and standard library conventions. Maintained by Microsoft with a formal ECMA-334 specification and modern features such as records, pattern matching, async/await, and nullable reference types.
Documentation
Other Resources
Website
https://learn.microsoft.com/en-us/dotnet/csharp/
Language Reference
https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/
Language Specification
https://learn.microsoft.com/en-us/dotnet/csharp/specification/
APIsJSON
https://raw.githubusercontent.com/api-evangelist/c-sharp/refs/heads/main/apis.yml