The International Component for Unicode (ICU) library can save you from being hopelessly mired in numerous character encodings as your C/C++ application matures into internationalization and localization.
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Learn about UTF-8 encoding of UNICODE characters.
Lots of hot topics are covered in the Discussion Forums on CodeGuru.
Adding multilanguage support to your application
Multilingual Applications - Switching Languages
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With the addition of the C/C++ extension to Visual Studio Code, you might have what is needed in a small, cross-platform editor.
Learn to use LiteDB, is a simple, serverless, fast and lightweight, embedded .NET document database written in .NET C# managed code.
Discover four different ways to read your own application's metadata. Examples are in C# and VB.NET.
Onion Architecture addresses the challenges faced with 3-tier and n-tier architectures, and provides a solution for common problems.