This is a pretty abstract question with an even more abstract descriptive summary. Charming tech stacks in my understanding are fun to use and productive the s

This is a pretty abstract question with an even more abstract descriptive summary. Charming tech stacks in my understanding are fun to use and productive the same time. Still in demand tech stacks are well hung things that still are relevant. Hard to find skills are barely common. Betting on something for the future is not something that really falls in any of these categories. So, still relevant, well hung, versatile tech stacks I would also bet on for the future are C#, Python and SQL (e.g. Postgres). More modern and less hung alternatives would be Rust, Go and TypeScript / Javascript (and some of the more modern Boilerplates / Frameworks). Still relevant, woth learning and hard to find is LISP. Mojo (as possible python successor) would be something I'd bet for the future unless something goes really wrong - but that has to be proven.