I heard about this site on HN about 5 years ago (https://news.ycombinator.com/item?id=21050636) and have been a regular user ever since. It's been down for a few days and I can't find any info on whether it's temporary or the original author has decided to end the project.
Ask the author[1]?
1.
https://medium.com/@e_namefield
https://x.com/enamespace
eric@unfoundedlabs.com (publicly posted un-obfuscated on his website)
https://unfoundedlabs.com/