This is an area where there is no right answer. There are a lot of success stories, big and small, with apps built with Python, Ruby, PHP. So, if you are alre

This is an area where there is no right answer. There are a lot of success stories, big and small, with apps built with Python, Ruby, PHP. So, if you are already familiar with the language and build something now, go with it. On the other hand, also be aware of the other side of the coin. It'll probably be much more productive to build long lived applications in a better language more suited to it. I've built 30+ apps and wrote hundreds of thousands of lines of code with Python for ~10 years. I've switched to C#/.NET now, and couldn't be happier. It allows me to almost all the dynamic things I had done in Python, in a type safe way, thus making everything easier. I wish the modern, cross-platform .NET existing when I've started my journey in Python.