I shipped a tiny digital product for serial fiction writers: a free story bible template plus a paid $9 template pack.

The product is called SerialForge:

https://publicsite-sigma.vercel.app

The idea came from a simple pain point: long-running fiction projects become hard to keep consistent. Characters change, world rules drift, unresolved promises pile up, and chapter endings need to keep readers moving.

Instead of building a large app first, I kept the first version intentionally small: