With enough interest in integrity computing, that they are still in business, selling development environments (there are community editions available).
Eiffel was also the very first OOP language to introduce non nullable references, which I bet many folks in HN would attribute to something more trendy.
What is compelling about Eiffel? Serious question.
I think that the interesting thing about Eiffel is that it supports design by contract, an idea that was created and implemented first in Eiffel.
With enough interest in integrity computing, that they are still in business, selling development environments (there are community editions available).
Eiffel was also the very first OOP language to introduce non nullable references, which I bet many folks in HN would attribute to something more trendy.