Comment by 9rx

> To me it seems obvious that code should be stored in a database

Where are you storing code if not in a database?

> rather than a hierarchical, text-based format.

Okay, so you mean not a hierarchical database, but rather a... Relational database, I guess?

> The main way we navigate and organize code is by folder hierarchies.

Organize I can buy, I suppose. But I navigate by AST representation (as provided by an LSP in this day of age). It turns out code is a database too!

> Rather than folders and file names, everything could just be tagged in different ways.

So you are looking for WinFS? While it suffered from many technical issues, its biggest problem is that users really didn't gain much from it.