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: Physically accurate black hole you can put in your room ( blackhole.plav.in ) 125 points by aplavin 4 hours ago | 29 comments 2. Show HN: CheapSecurity – Lightweight, Self-Hosted CCTV for Linux SBCs ( github.com/gmrandazzo ) 117 points by zeldone 12 hours ago | 24 comments 3. Show HN: ASL V6 – Open-source AST red-teaming engine for Python AI agents ( github.com/sivaadityacoder ) 2 points by sivaaditya 29 minutes ago | discuss 4. Show HN: Reverse Minesweeper ( sunflowersgame.com ) 171 points by pompomsheep 15 hours ago | 55 comments 5. Show HN: Port Zero – how I learned to stop worrying and love PORT=0 ( portzero.net ) 14 points by octopoc 4 hours ago | 6 comments 6. Show HN: Infinite Jigsaw Game ( infinitejigsaw.com ) 23 points by impostervt 8 hours ago | 20 comments 7. Show HN: Discrete6502 – one thing led to another ( epatel.github.io ) 11 points by epatel99 6 hours ago | 3 comments 8. Show HN: I mapped every US golf course ( golfcoursebrowser.com ) 203 points by rickmf 1 day ago | 149 comments 9. Show HN: A 60-line PreToolUse hook that stops Claude Code from editing your .env ( github.com/avenna01-ceo ) 3 points by gaiinmaster 3 hours ago | discuss 10. Show HN: Aqua UI for the Web ( github.com/willmeyers ) 2 points by willmeyers 3 hours ago | discuss 11. Show HN: RelativeDB – OSS query engine for relational foundation models ( github.com/relativedb ) 3 points by scottcodie 3 hours ago | 1 comment 12. Show HN: Simple HIIT timer for efficient workouts ( hiitmeup.fit ) 3 points by takee 3 hours ago | discuss 13. Show HN: Turn an image into a 3D blockbench model ( github.com/orca-gamedev ) 3 points by ekduman 4 hours ago | discuss 14. Show HN: Blind-box commerce made easy ( chancey.run ) 2 points by 13001r 4 hours ago | discuss 15. Show HN: Lowkey Studio – Shader Powered visual effects compositor in the Browser ( lowkeyviewer.com ) 2 points by tracerbulletx 4 hours ago | discuss 16. Show HN: Paper – A Journaling CLI for Developers ( rewrlution.com ) 2 points by dmsehuang 5 hours ago | discuss 17. Show HN: A browser-based video editor that renders videos directly with FFmpeg ( github.com/thiagoalbrecht ) 15 points by thiagoas 14 hours ago | 3 comments 18. Show HN: Anyclaude-SDK – Claude Code-Style SDK for OpenAI/Anthropic Endpoints ( github.com/pipilot-dev ) 2 points by hansade 5 hours ago | discuss 19. Show HN: The Jac Programming Language ( jaclang.org ) 6 points by marsninja 5 hours ago | 6 comments 20. Show HN: GG Translator – Turn gaming shit talk into friendly phrases ( ggtranslator.com ) 2 points by mcadenhe 5 hours ago | discuss 21. Show HN: LuaJIT with Native SIMD ( github.com/theluaosproject ) 2 points by frityet 5 hours ago | 1 comment 22. Show HN: Echo – Fable-level results at 1/3 the cost using open-weight models 474 points by adam_rida 3 days ago | 222 comments 23. Show HN: Writemark, a dependency free web component for inline Markdown editing 52 points by _boffin_ 1 day ago | 23 comments 24. Show HN: Wmux – A workspace multiplexer for AI agents ( github.com/openwong2kim ) 11 points by wong2kim 17 hours ago | discuss 25. Show HN: Brolly, a plain-text weather forecast site ( brolly.sh ) 222 points by jsax 1 day ago | 81 comments 26. Show HN: I made some transistor animations ( brandonli.net ) 205 points by stunningllama 1 day ago | 28 comments 27. Show HN: Managing on-premise servers without Kubernetes ( github.com/ricardoborges ) 16 points by r2ob 14 hours ago | 11 comments 28. Show HN: SpinWin – A macOS menu bar app to visually rotate or spin any window ( github.com/alokdhir ) 36 points by dbm5 1 day ago | 14 comments 29. Show HN: QueryTuner – SQL diagnostics across 5 DBs, no database connection ( querytuner.com ) 8 points by autoshiftops 16 hours ago | discuss 30. Show HN: Rucksack alpha CLI that pins a Mac to a hotspot and holds a sleep lease ( github.com/noahnawara ) 3 points by thirdface 9 hours ago | discuss 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: