HN Digest

DAILY HACKER NEWS RANKING

2026-06-21

Final ranking · Hacker News daily top 30 ↗

  1. 01

    Prefer duplication over the wrong abstraction (2016) (sandimetz.com)

    541 points · HN #48620090

  2. 02

    Apertus – Open Foundation Model for Sovereign AI (apertvs.ai)

    534 points · HN #48622778

  3. 03

    Loupe – A iOS app that raises awareness about what native apps can see (github.com/mysk-research)

    548 points · HN #48608645

  4. 04

    Identity verification on Claude (claude.com)

    866 points · HN #48618455

  5. 05

    15-minute at-home Lyme disease tick test (bostonglobe.com)

    251 points · HN #48584261

  6. 06

    Slow breathing modulates brain function and risk behavior (cell.com)

    418 points · HN #48613555

  7. 07

    Beyond All Reason (Free Total Annihilation Inspired RTS) (beyondallreason.info)

    508 points · HN #48617990

  8. 08

    Developers don't understand CORS (2019) (fosterelli.co)

    388 points · HN #48614844

  9. 09

    Renting a sewing machine from the library (bbc.com)

    349 points · HN #48613755

  10. 10

    Show HN: TownSquare, a tiny presence layer for websites (cauenapier.com)

    278 points · HN #48608570

  11. 11

    Epoll vs. io_uring in Linux (sibexi.co)

    261 points · HN #48613872

  12. 12

    JSON-LD explained for personal websites (hawksley.dev)

    278 points · HN #48621517

  13. 13

    Everything is logarithms (alexkritchevsky.com)

    316 points · HN #48622626

  14. 14

    The minimum viable unit of saleable software (brandur.org)

    217 points · HN #48620342

  15. 15

    Show HN: Teach your kids perfect pitch (github.com/paytonjjones)

    217 points · HN #48618488

  16. 16

    The brain was not designed for this much bad news (sciencedaily.com)

    457 points · HN #48615569

  17. 17

    (How to Write a (Lisp) Interpreter (In Python)) (2010) (norvig.com)

    194 points · HN #48619831

  18. 18

    A 3D voxel game engine written in APL (github.com/namgyaaal)

    157 points · HN #48616713

  19. 19

    Running MicroVMs in Proxmox VE, the Easy Way (taoofmac.com)

    231 points · HN #48599555

  20. 20

    Google Hits 50% IPv6 (apnic.net)

    428 points · HN #48616800

  21. 21

    Whole cross-sectional human ultrasound tomography (nature.com)

    112 points · HN #48582894

  22. 22

    PowerFox Browser (jazzzny.me)

    165 points · HN #48622731

  23. 23

    Proportional-Integral-Derivative (PID) controllers (wikipedia.org)

    125 points · HN #48600311

  24. 24

    Zigzag Decoding with AVX-512 (zeux.io)

    129 points · HN #48573902

  25. 25

    FDA advisors unanimously vote to approve Moderna's mRNA after agency drama (arstechnica.com)

    236 points · HN #48622788

  26. 26

    HPV vaccine cuts risk of dying from cervical cancer before 30 (theguardian.com)

    246 points · HN #48579013

  27. 27

    Guide to the TD4 4-bit DIY CPU (philipzucker.com)

    61 points · HN #48591276

  28. 28

    Project Fetch: Phase Two (anthropic.com)

    73 points · HN #48614311

  29. 29

    Building reliable agentic AI systems (martinfowler.com)

    196 points · HN #48615680

  30. 30

    Show HN: Recall – Local project memory for Claude Code (github.com/raiyanyahya)

    138 points · HN #48622590