Windows:

Web

Backend:

C# Asp.NET 2.0,4.5..Core 3.0..8.0..

Visual C++ 6.0..

Frontend:

MVC, js, Angularjs, jquery

Desktop:

Winforms,WPF

VoiceWPF

Linux:

C++

bash,gcc, make,cmake

STL, Boost

MySQL, Apache, Nginx