Hacker News / Show HN

Show | Hacker News Hacker News new | past | comments | ask | show | jobs | submit login Please read the Show HN rules and tips before posting. You can browse the newest Show HNs here . 1. Show HN: BambooGrid – Open-source web UI for power grid modeling and power flow ( kickstage.com ) 10 points by soaringmonchi 1 hour ago | 2 comments 2. Show HN: Libretto PR agents – Automatically fix failing playwright scripts ( libretto.sh ) 6 points by muchael 1 hour ago | discuss 3. Show HN: Make images render brighter than white by abusing Rec.2100 PQ profiles ( superwhite.app ) 4 points by nimrodyar 1 hour ago | discuss 4. Show HN: Leaves – A text-UI disk usage treemap visualizer ( github.com/patonw ) 57 points by patonw 5 hours ago | 17 comments 5. Show HN: Nutshot Simulator – 31 days, 59K prompts, 142M tokens, ~$23K of Claude ( nutshotsimulator.com ) 2 points by Yahivin 38 minutes ago | 2 comments 6. Show HN: Galois connections for composable numeric casts in Rust ( github.com/cmk ) 24 points by partialsolve 5 hours ago | 2 comments 7. Show HN: Be the ChatBOT ( bethechatbot.com ) 16 points by keito 3 hours ago | 7 comments 8. Show HN: A modern port of Linux to a ten-year-old QWERTY phone 31 points by tmzt 5 hours ago | 6 comments 9. Show HN: I've built a words game based on binary search ( hilogame.cc ) 43 points by ludovicianul 8 hours ago | 42 comments 10. Show HN: QBasic Gorillas (Repeeled) ( gameswithtony.com ) 17 points by TonyAlicea10 7 hours ago | 17 comments 11. Show HN: HeimWall – Catch secrets before you paste them into Claude or Cursor ( heimwall.ai ) 2 points by ata2gxxx 1 hour ago | discuss 12. Show HN: CreditKit, a Stripe usage-credits engine I kept rebuilding ( youngalgy.com ) 2 points by youngalgy 1 hour ago | discuss 13. Show HN: I open-sourced a macOS native Markdown rendering engine ( github.com/nodes-app ) 4 points by jacobchen7 1 hour ago | 2 comments 14. Show HN: Rudo - A small, elegant dock for Wayland ( github.com/skorotkiewicz ) 2 points by modinfo 2 hours ago | discuss 15. Show HN: Algotrek – Algorithms visualized, problem shape shifting and a tutor ( algotrek.io ) 10 points by nyggy 7 hours ago | 4 comments 16. Show HN: Sentinel – open-source QA agent that reads your code before it clicks ( simbastack.com ) 13 points by asenna 6 hours ago | 3 comments 17. Show HN: Firefox in WebAssembly ( puter.com ) 238 points by coolelectronics 1 day ago | 123 comments 18. Show HN: misa77 - a codec that decodes 2x faster than LZ4 (at better ratios) ( github.com/welcome-to-the-sunny-side ) 155 points by nonadhocproblem 1 day ago | 47 comments 19. Show HN: Wallflower – A Quiet Social Reader ( thewallflower.app ) 6 points by tldrthelaw 7 hours ago | discuss 20. Show HN: Tree, truth, druid, dryad, and tar share one Proto-Indo-European root ( p.migdal.pl ) 3 points by stared 4 hours ago | discuss 21. Show HN: One More Letter ( playonemoreletter.com ) 83 points by hmate9 22 hours ago | 56 comments 22. Show HN: I Built an Accent Changer App ( accentchanger.com ) 5 points by wbemaker 10 hours ago | 11 comments 23. Show HN: I built an open source alternative to Workflowy ( dotflowy.com ) 3 points by campak 5 hours ago | discuss 24. Show HN: Open-source AI app builder you can embed into your own SaaS ( github.com/totalumlabs ) 6 points by francescjuille 6 hours ago | discuss 25. Show HN: PokeTokenBar – Raise a Pokémon with your AI token usage ( github.com/chattymin ) 2 points by chattymin 6 hours ago | 1 comment 26. Show HN: Token Gobbler – the goofy game where you're the LLM ( tokengobbler.vercel.app ) 2 points by dschwede 6 hours ago | 2 comments 27. Show HN: Tmux tab markers for Claude Code, Grok, and pi sessions ( github.com/jhickner ) 2 points by jhickner 6 hours ago | discuss 28. Show HN: Low-latency local LLM runner via OpenJDK Panama FFM (Java 22) ( github.com/projectargus-cc ) 38 points by KingJoker 1 day ago | 9 comments 29. Show HN: Docs.dev Your Own Hosted Docs Platform in Minutes ( docs.dev ) 8 points by linktothenew 6 hours ago | 4 comments 30. Show HN: E-- – A language you dial between English and Python ( github.com/frmoded ) 26 points by OdedF 23 hours ago | 18 comments More Consider applying for YC's Fall 2026 batch! Applications are open till July 27. Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: