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'm a 15 Year Old Wannabe Engineer, This Is a Cycloidal Gearbox I Built ( github.com/tom-ilan ) 78 points by tomilan 4 hours ago | 18 comments 2. Show HN: CostPerPrompt – Live AI API pricing and real-workload cost calculators ( costperprompt.com ) 12 points by ahmed_hassan7 4 hours ago | 5 comments 3. Show HN: Elevators ( john.fun ) 1587 points by Jrh0203 1 day ago | 389 comments 4. Show HN: I get 25 deep researched ideas with one single prompt ( github.com/ringlochid ) 6 points by ringlochid 2 hours ago | 2 comments 5. Show HN: Legionlinuxtui – Control Lenovo legion laptops in the terminal ( github.com/nooneknowspeter ) 11 points by nooneknowspeter 8 hours ago | discuss 6. Show HN: FirstEmployee.ai – Start a Business ( firstemployee.ai ) 2 points by nadermx 3 hours ago | 3 comments 7. Show HN: Copy any website pixel perfect ( github.com/harkro753 ) 6 points by Harro123 8 hours ago | 4 comments 8. Show HN: Symbio self fine-tuning AI loop ( github.com/huyedits ) 8 points by huyedit 7 hours ago | 3 comments 9. Show HN: Wage Against the Machine – MacWages Index for AI Tasks ( ddyo.dev ) 7 points by danr4 7 hours ago | 1 comment 10. Show HN: What should the GUI for AI agents look like? ( marbleos.com ) 131 points by akbabu 1 day ago | 77 comments 11. Show HN: Minimal LLM Post-Training Experiments on an 8GB GPU (SFT, DPO, GRPO) ( github.com/pochenai ) 20 points by popopanda 17 hours ago | discuss 12. Show HN: Evidence-to-Skill – a gate between untrusted sources and agent skills ( github.com/sanexxxx777 ) 3 points by Aleksandr_NFA 8 hours ago | discuss 13. Show HN: Gander, an Android file viewer that asks for no permissions ( github.com/mokshablr ) 204 points by mokshablr 2 days ago | 72 comments 14. Show HN: I made 70K+ hand-drawn icons using AI ( koboyo.com ) 3 points by kamranahmedse 6 hours ago | 2 comments 15. Show HN: Crew, a local collaborative (people and agents) IDE ( github.com/jamelhammoud ) 5 points by jamelhammoud 10 hours ago | discuss 16. Show HN: PhaseProbe – Find simulation transitions and turn them into tests ( github.com/aliengineering-byte ) 2 points by ali110v 6 hours ago | discuss 17. Show HN: BitBang – Reach machines behind NAT from a browser, no account ( github.com/richlegrand ) 91 points by narragansett 1 day ago | 37 comments 18. Show HN: Use iPhone's camera as a lux meter ( impulsearc.com ) 4 points by bkazez 7 hours ago | discuss 19. Show HN: Understanding the ReMarkable Coordinate System ( scrybble.ink ) 4 points by azeirah 7 hours ago | discuss 20. Show HN: Kedge – Full-stack cloud with forkable VM snapshots and global SQLite ( kedge.dev ) 136 points by wgjordan 2 days ago | 25 comments 21. Show HN: I built a free Open Graph image designer ( mosaicora.io ) 3 points by d-atanasov 7 hours ago | discuss 22. Show HN: Distilling DeepSeek into GPT-OSS doesn't transfer censorship. Try it ( ctgt.ai ) 165 points by cgorlla 2 days ago | 73 comments 23. Show HN: Pronto – real‑time wire for AI agents (70k+ feeds connected) ( pronto.stream ) 2 points by MomohNobert 7 hours ago | discuss 24. Show HN: Created a Drink Journal App, Drinqly ( drinqly.io ) 3 points by haileivera 8 hours ago | discuss 25. Show HN: Check technical fit for B2B prospects without questionnaires ( tryscoped.com ) 2 points by ininew 8 hours ago | 1 comment 26. Show HN: A Google Reader like discovery engine for long-form blogs ( boredreading.com ) 2 points by khet 9 hours ago | discuss 27. Show HN: Lumaris – AI biotech intelligence briefs (sample: EGFR resistance) ( nanocorp.app ) 2 points by lumaris_intel 9 hours ago | discuss 28. Show HN: Wienerdog – memory and self-improving skills for Claude Code/Codex ( github.com/wienerdog-ai ) 7 points by thegyula 16 hours ago | 2 comments 29. Show HN: I made a music player inspired by late 90s peer-to-peer sharing ( jordanscales.com ) 3 points by jordanscales 9 hours ago | discuss 30. Show HN: I worked on a new browser for 2 years, today it passed Acid 3 ( intellios.ai ) 137 points by coolwulf 1 day ago | 42 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: