OP here. Just to clarify I'm asking for examples of one-man team that got into YC, etc, because I would like to look them up and read up their founder stories and maybe get inspired or something :)
For the record my ex co-founder and I were invited to a YC interview back in 2018. We didn't get in but we did manage to secure funding here and there. The start-up died some months ago.
Now I'm founding a new start-up alone and am extremely curious about sole founders who have managed to found a successful startup without captial. Thanks!