(not only these)
Microsoft .NET stack:
.NET (former .NET Core), .NET Framework
Web applications: MVC, Blazor
Web Services: .NET Web API, REST/SOAP
Desktop applications: WPF, Win Forms
Cross-platform applications: .NET MAUI (Android, iOS)
Web/internet:
JavaScript, jQuery, HMTL, CSS
Python:
Jupyter Notebooks, native Python for Windows/Linux, Visual Studio Code. Libraries: NumPy/Pandas, ScanPy/AnnData/PyArrow
C++: STL, ATL, MFC, QT
Databases: SQL (MS SQL, Oracle, My SQL), Non-SQL (Tile DB)
Clouds:
MS Azure, AWS, Google Cloud