It may be that developer tools by definition have a fairly limited market. I guess if you were to build a developer tool that succeeds in the mythical "make eve

It may be that developer tools by definition have a fairly limited market. I guess if you were to build a developer tool that succeeds in the mythical "make everyone a developer" then people would throw money at you. However, most developer tools have a very limited market: existing developers. That said, there are some very successful developer tool companies: atlassian, github, etc.