6.19.25 | Workout.cool is an open-source fitness platform, Andrej Karpathy discusses software in the AI era, Unregistry allows "docker push" to servers directly

This is a recap of the top 10 posts on Hacker News on Jun 19, 2025.Show HN: Workout.cool – Open-source fitness coaching platformhttps://github.com/Snouzy/workout-coolhttps://news.ycombinator.com/item?id=44309320Andrej Karpathy: Software in the era of AI [video]https://www.youtube.com/watch?v=LCEmiRjPEtQhttps://news.ycombinator.com/item?id=44314423Show HN: Unregistry – “docker push” directly to servers without a registryhttps://github.com/psviderski/unregistryhttps://news.ycombinator.com/item?id=44314085New US visa rules will force foreign students to unlock social media profileshttps://www.theguardian.com/us-news/2025/jun/18/social-media-student-visa-screeninghttps://news.ycombinator.com/item?id=44314054My iPhone 8 Refuses to Die: Now It's a Solar-Powered Vision OCR Serverhttps://terminalbytes.com/iphone-8-solar-powered-vision-ocr-server/https://news.ycombinator.com/item?id=44310944The Zed Debugger Is Herehttps://zed.dev/blog/debuggerhttps://news.ycombinator.com/item?id=44314977Websites are tracking you via browser fingerprintinghttps://engineering.tamu.edu/news/2025/06/websites-are-tracking-you-via-browser-fingerprinting.htmlhttps://news.ycombinator.com/item?id=44313206Poline – An enigmatic color palette generator using polar coordinateshttps://meodai.github.io/poline/https://news.ycombinator.com/item?id=44279569Homomorphically Encrypting CRDTshttps://jakelazaroff.com/words/homomorphically-encrypted-crdts/https://news.ycombinator.com/item?id=44309520The unreasonable effectiveness of fuzzing for porting programshttps://rjp.io/blog/2025-06-17-unreasonable-effectiveness-of-fuzzinghttps://news.ycombinator.com/item?id=44311241