I was thinking of platforms or programming languages, e.g. the JVM, the .NET Core runtime, Go, Python, etc. I consider MongoDB a platform. I don't change appl

I was thinking of platforms or programming languages, e.g. the JVM, the .NET Core runtime, Go, Python, etc. I consider MongoDB a platform. I don't change applications that often. I'll try a new application when I have a new problem but my current applications are good enough for now.