Even though I love their simplicity as an example of how to be pragmatic and not over-engineer, do remember that they’ve tuned their code to the point that they built an ORM that is one of the fastest in the NET world. I used it and it was awesomely lightweight.
It’s as much an example of how far world class talent can go, as it is about doing more with less.
Dapper! I used it a while back and it was a single class that bundled query results straight into a list of objects by emitting low level CLR bytecode
Looks like its expanded a little since then