HN Digest

DAILY HACKER NEWS RANKING

2026-01-21

Final ranking · Hacker News daily top 30 ↗

  1. 01

    Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps) (github.com/chartgpu)

    670 points · HN #46706528

  2. 02

    Claude's new constitution (anthropic.com)

    579 points · HN #46707572

  3. 03

    Waiting for dawn in search: Search index, Google rulings and impact on Kagi (kagi.com)

    485 points · HN #46708678

  4. 04

    Skip is now free and open source (skip.dev)

    515 points · HN #46706906

  5. 05

    Your brain on ChatGPT: Accumulation of cognitive debt when using an AI assistant (media.mit.edu)

    710 points · HN #46712678

  6. 06

    Anthropic's original take home assignment open sourced (github.com/anthropics)

    639 points · HN #46700594

  7. 07

    Can you slim macOS down? (eclecticlight.co)

    263 points · HN #46702411

  8. 08

    Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs (github.com/mastra-ai)

    213 points · HN #46693959

  9. 09

    eBay explicitly bans AI "buy for me" agents in user agreement update (valueaddedresource.net)

    340 points · HN #46711574

  10. 10

    The challenges of soft delete (atlas9.dev)

    267 points · HN #46698061

  11. 11

    EU–INC – A new pan-European legal entity (eu-inc.org)

    765 points · HN #46703763

  12. 12

    Show HN: Rails UI (railsui.com)

    208 points · HN #46709543

  13. 13

    Nested code fences in Markdown (susam.net)

    262 points · HN #46705201

  14. 14

    The WebRacket language is a subset of Racket that compiles to WebAssembly (github.com/soegaard)

    157 points · HN #46662247

  15. 15

    Which AI Lies Best? A game theory classic designed by John Nash (so-long-sucker.vercel.app)

    195 points · HN #46698370

  16. 16

    JPEG XL Test Page (tildeweb.nl)

    242 points · HN #46708032

  17. 17

    cURL removes bug bounties (etn.se)

    435 points · HN #46701733

  18. 18

    IPv6 is not insecure because it lacks a NAT (johnmaguire.me)

    316 points · HN #46696303

  19. 19

    RSS.Social – the latest and best from small sites across the web (rss.social)

    261 points · HN #46700503

  20. 20

    Are arrays functions? (futhark-lang.org)

    166 points · HN #46675630

  21. 21

    EmuDevz: A game about developing emulators (afska.github.io)

    216 points · HN #46662515

  22. 22

    Scientists find a way to regrow cartilage in mice and human tissue samples (sciencedaily.com)

    309 points · HN #46709179

  23. 23

    Beowulf's opening "What" is no interjection (2013) (poetryfoundation.org)

    104 points · HN #46675583

  24. 24

    Building Robust Helm Charts (willmunn.xyz)

    73 points · HN #46676708

  25. 25

    Libbbf: Bound Book Format, A high-performance container for comics and manga (github.com/ef1500)

    106 points · HN #46701114

  26. 26

    SIMD programming in pure Rust (kerkour.com)

    107 points · HN #46676861

  27. 27

    Claude Chill: Fix Claude Code's flickering in terminal (github.com/davidbeesley)

    192 points · HN #46699072

  28. 28

    The GDB JIT Interface (bernsteinbear.com)

    71 points · HN #46647358

  29. 29

    200 MB RAM FreeBSD desktop (vermaden.wordpress.com)

    197 points · HN #46665987

  30. 30

    The percentage of Show HN posts is increasing, but their scores are decreasing (snubi.net)

    237 points · HN #46702099