Roslyn is the famous example of a well-maintained C# codebase. But I think it's perhaps too complex to serve as an example. It's hard to get a good overview of

Roslyn is the famous example of a well-maintained C# codebase. But I think it's perhaps too complex to serve as an example. It's hard to get a good overview of exactly what it does. For some at least slightly smaller and less intimidating codebases, try for example https://github.com/nodatime/nodatime/ https://github.com/nodatime/nodatime/ https://github.com/DapperLib/Dapper https://github.com/DapperLib/Dapper