Ask HN: What apps did you build for yourself and why? - https://news.ycombinator.com/item?id=17148959 - May 2018 (42 comments)

Ask HN: Tools you have made for yourself? - https://news.ycombinator.com/item?id=27482397 - June 2021 (455 comments)

Ask HN: Tools you have built for yourself? - https://news.ycombinator.com/item?id=34492579 - Jan 2023 (45 comments)

Ask HN: Most interesting tech you built for just yourself? - https://news.ycombinator.com/item?id=35729232 - April 2023 (1809 comments)