Not the GP, but I'll share my story, as well. In early 2001, for the project I was working on then, we needed something like a SQLite-lite. (SQLite existed, bu

Not the GP, but I'll share my story, as well. In early 2001, for the project I was working on then, we needed something like a SQLite-lite. (SQLite existed, but was less than a year old and was still way bigger than our needs.) One of the other engineers and I paired to build something that worked well enough to run with over the course of a weekend, and then polished and improved it along the way, until the project was abandoned a few months later, because of the dot-com bomb.