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: Mirafold – Your Agent with Generative UI (Codex, Claude Code, Gemini) ( mirafold.com ) 3 points by kserrec 19 minutes ago | 1 comment 2. Show HN: Wyzer Programming Language ( github.com/wyzer-lang ) 4 points by v0id_isgood 50 minutes ago | discuss 3. Show HN: Akintu – AI agents trained on custom knowledge bases using RAG ( akintu.ai ) 2 points by Sharanxxxx 1 hour ago | discuss 4. Show HN: Certo – An open source platform to deliver Open Badges ( github.com/schroedinger-hat ) 9 points by thejoin95 4 hours ago | discuss 5. Show HN: The Channels SDK – Bring Any Agent to Any Channel (Slack, MS Teams) ( github.com/copilotkit ) 108 points by davidmckayv 21 hours ago | 22 comments 6. Show HN: textlog – A quiet, text-only microblogging platform, open-source, no JS ( textlog.cc ) 5 points by stagas 2 hours ago | discuss 7. Show HN: A free mini game that makes you a smarter fly fisherperson ( read-the-water.netlify.app ) 17 points by mpc75 7 hours ago | 8 comments 8. Show HN: Recipe Jar, a local-first recipe keeper with no account or ads ( recipejar.app ) 6 points by sbmagar13 3 hours ago | 1 comment 9. Show HN: File-based HTTP endpoints for Python with its own isolated dependencies ( github.com/tanrax ) 2 points by andros 3 hours ago | discuss 10. Show HN: Pokémon Emerald Ported to Raspberry Pi Pico 2 ( github.com/mattdeeds ) 49 points by mdeeds 15 hours ago | 28 comments 11. Show HN: Remembrane – agent memory in one SQLite file, zero dependencies ( github.com/satyasairay ) 4 points by satyasairay 5 hours ago | discuss 12. Show HN: A terminal glued to the macOS dock ( github.com/palamim ) 44 points by leopalamim 1 day ago | 14 comments 13. Show HN: Sidebar – a private ESP32 intercom for five kids, no accounts ( sundaradnus.ca ) 6 points by nonstopnonsense 9 hours ago | 1 comment 14. Show HN: Seedance 2.5 video API (30s single-take, 50 refs, 4K) on Atlas Cloud ( atlascloud.ai ) 2 points by qqt 6 hours ago | 2 comments 15. Show HN: Open-source pixel art editor with animation and auto-tiling tilesets ( simplepixelart.com ) 5 points by lam_hg94 10 hours ago | 1 comment 16. Show HN: AI Tutoring with Visual Grounding ( useknowable.ai ) 5 points by samuelzxu 13 hours ago | 3 comments 17. Show HN: Simple algorithm and color space to generate diverse skin tones ( toneyalexander.github.io ) 618 points by automatoney 2 days ago | 100 comments 18. Show HN: La Vieja Contra El Dibu – Penalty Shootout Game vs. Dibu Martínez ( laviejacontraeldibu.app ) 2 points by alanzhan 11 hours ago | discuss 19. Show HN: QWERTY MIDI – Isomorphic Layout MIDI Controller ( beijaflor.io ) 5 points by yamadapc 11 hours ago | discuss 20. Show HN: Wallfacer – A terminal session manager for Claude Code, and more ( github.com/pradipta ) 35 points by pradiptasarma 1 day ago | 22 comments 21. Show HN: I spent 2 years designing a mechanical Magic Keyboard ( electronicmaterialsoffice.com ) 277 points by aemerson_ 22 hours ago | 232 comments 22. Show HN: demake – one source project compiles to any retro game console ROM ( geosona.com ) 38 points by gste 1 day ago | 8 comments 23. Show HN: ARF – a record format for AI evaluation runs, with reproducible digests ( korvo.xyz ) 3 points by akshay_bhardwaj 13 hours ago | discuss 24. Show HN: I rewrote Decap CMS with < $1K in Claude tokens ( github.com/laikacms ) 2 points by afirus 13 hours ago | discuss 25. Show HN: GreatArrow.ai – Shared memory for Claude, ChatGPT, Gemini and Cursor ( greatarrow.ai ) 2 points by clapptastic 14 hours ago | discuss 26. Show HN: Maple-Preview – Ternary 20B MoE running at 120 tok/s on a iPhone ( deepgrove.ai ) 169 points by edwardbzhang 2 days ago | 52 comments 27. Show HN: HUD, an open-source minimal terminal UI for ClaudeCode, Codex, OpenCode ( github.com/adrida ) 26 points by adam_rida 1 day ago | 1 comment 28. Show HN: Elevators ( john.fun ) 1672 points by Jrh0203 6 days ago | 413 comments 29. Show HN: Learn System Design, one campaign at a time ( scalequest.io ) 4 points by raaa1 15 hours ago | discuss 30. Show HN: Tmagnet – a terminal torrent client written in C ( codeberg.org/ivanjeka ) 3 points by ivanjeka 15 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: