I already use javascript, c, c++, PHP, python, ruby, css, less, sass, jade, sql, etc for my daily work. However I do avoid java/tomcat and .net ecosystem, they'

I already use javascript, c, c++, PHP, python, ruby, css, less, sass, jade, sql, etc for my daily work. However I do avoid java/tomcat and .net ecosystem, they're either too heavy, or not my favorite ecosystem. My comments are simply a reminder for those in the same boat so that they can save some time. Are you going to pick up _all_ kinds of tools from a store? I do have my preferences there.