> It's meant as the opposite of mainstream; languages you won't find at IBM.
Then what you're looking for is "non-mainstream". Or maybe "suit-incompatible". And FWIW IBM has a lot of Python stuff in their developerworks site and newsletter. And given Erlang comes from Ericsson, not exactly a small company, it's hardly "suit-incompatible".
Ah, I see. That definition doesn't fit the situation though. I was using the dictionary definition, and the original article used the word esoteric in the same context as I did.
http://esolangs.org/wiki/Esoteric_programming_language
> It's meant as the opposite of mainstream; languages you won't find at IBM.
Then what you're looking for is "non-mainstream". Or maybe "suit-incompatible". And FWIW IBM has a lot of Python stuff in their developerworks site and newsletter. And given Erlang comes from Ericsson, not exactly a small company, it's hardly "suit-incompatible".