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: I replaced a $120k bowling center system with $1,600 in ESP32s 2018 points by section33 15 hours ago | 208 comments 2. Show HN: A canvas-based note taking and organizer app ( passinote.app ) 50 points by passiflora96 8 hours ago | 14 comments 3. Show HN: Bribes.fyi – Built something to report bribes ( bribes.fyi ) 25 points by neverenderr 14 hours ago | 17 comments 4. Show HN: ShipMD.app – Moving things in folders, move things in the real world ( shipmd.app ) 4 points by bosky101 9 hours ago | 2 comments 5. Show HN: Headroom – measure your GPU's true bandwidth ceiling for local AI ( ar5en1c.github.io ) 3 points by Ar5en1c 5 hours ago | discuss 6. Show HN: Q3Edit – Edit and play Quake 3 maps in the browser ( q3edit.com ) 95 points by drdator 1 day ago | 26 comments 7. Show HN: IKEA Complexity Index ( greg.technology ) 172 points by gregsadetsky 2 days ago | 87 comments 8. Show HN: Chalie – AI peer not employee ( github.com/chalie-ai ) 5 points by dylangrech92 10 hours ago | 1 comment 9. Show HN: Deploy AI agent in 5 lines of code ( custodianlabs.io ) 2 points by sherryf123 7 hours ago | 1 comment 10. Show HN: LoopGain – Stop agent loops with control theory, not max_iterations ( github.com/loopgain-ai ) 29 points by fitz2882 19 hours ago | 12 comments 11. Show HN: A self-hosted AI that turns Hacker News into a daily briefing ( github.com/recnes ) 4 points by SencerH 7 hours ago | discuss 12. Show HN: Watch bots interact with an SSH honeypot in real time ( honeypotlive.cc ) 178 points by tusksm 2 days ago | 60 comments 13. Show HN: PilotCite – Get your brand cited by ChatGPT, Gemini, and more ( pilotcite.com ) 6 points by standew 23 hours ago | 3 comments 14. Show HN: A gallery of browser-based PDF imposition and printing templates ( pdfpress.app ) 3 points by jp1016 12 hours ago | discuss 15. Show HN: Clx – Compile Lua to Native Executables Through C++20 ( github.com/samyeyo ) 143 points by _samt_ 3 days ago | 32 comments 16. Show HN: A self-correcting algebraic agent swarm ( github.com/michael-ax64 ) 3 points by michael-ax 14 hours ago | discuss 17. Show HN: The BUSY build system now generates CMake so you can easily use LeanQt ( github.com/rochus-keller ) 2 points by Rochus 16 hours ago | discuss 18. Show HN: PostgreSQL course with database running in your browser ( learnpg.xyz ) 5 points by Serpant 16 hours ago | 3 comments 19. Show HN: Leaves – A text-UI disk usage treemap visualizer ( github.com/patonw ) 90 points by patonw 3 days ago | 30 comments 20. Show HN: Knowledge graph skill for Claude/Kimi Code ( org-edge.com ) 3 points by org-edge 16 hours ago | 1 comment 21. Show HN: Firefox in WebAssembly ( puter.com ) 271 points by coolelectronics 4 days ago | 126 comments 22. Show HN: A zoomable timeline of 4M Wikipedia events ( diena.co ) 115 points by lortex 2 days ago | 43 comments 23. Show HN: misa77 - a codec that decodes 2x faster than LZ4 (at better ratios) ( github.com/welcome-to-the-sunny-side ) 164 points by nonadhocproblem 4 days ago | 49 comments 24. Show HN: Peek-CLI: Let Claude Code iterate on front end designs ( github.com/puffinsoft ) 6 points by G3819 1 day ago | 1 comment 25. Show HN: Textcaster – social networking where RSS is the protocol ( textcaster.app ) 9 points by rmdes 18 hours ago | 2 comments 26. Show HN: Mojibake – A low-level Unicode library written in C ( zaerl.com ) 76 points by program 3 days ago | 22 comments 27. Show HN:MinIO-dash – MinIO admin panel after they removed the Console in 2025 ( github.com/marceliracis ) 4 points by marceliracis 19 hours ago | discuss 28. Show HN: Regularly, hand-picked daily logic and number puzzles, no ads ( regularly.co ) 3 points by deepakrb 19 hours ago | discuss 29. Show HN: Qwen3.6-35B-A3B on a 16 GB M1 Pro with SSD-streamed MoE ( github.com/andreaborio ) 21 points by andreaborio 2 days ago | 2 comments 30. Show HN: Same castle prompt, 8 LLMs, 24 procedural Three.js worlds ( castle-bakeoff.pages.dev ) 5 points by valhallarecords 19 hours ago | 1 comment 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: