Ask HN: After 20 years of programming, what do I do now?

I've been programming for 20 years, the last 12 in ASP.net webforms (I know, I know). In every job, I've been told I was the top dev at the company. I kept my current job because of the money and flexibility they gave me to stay, but now that working here isn't worth it anymore, I'm feeling that remaining in this job has soured my career. I'm not sure where to go from here. I've held management positions, and while my projects were successful, I'm not interested there. The monotonous consulting-services work I've been doing for the last 5+ years hasn't lent itself to exploring new technologies, so I don't have the breadth for an architect job. I've tried the solo-business route, and while my app is loved and has sold copies, it's only breaking even and won't sustain me now. Almost all of the jobs I am interested in (remote or product-based) want newer technology. SQL Server's been a big part of my entire career, but