Show HN ranking for the past day

  1. Opening lines of famous literary works | 90
  2. Beautiful Type Erasure with C++26 Reflection | 51
  3. I RL-trained an agent that trains models with RL (for ~$1.3k) | 43
  4. Rejourney – Open-source revenue leak prediction for web and mobile apps | 6
  5. Oodle.ai – $10 per million agent traces | 10
  6. Beautiful QR Codes | 14
  7. Flashbang – DuckDuckGo bangs resolved locally with a Service Worker | 1
  8. A Free RSS reader with a configurable recommendation engine | 7
  9. Real-time avatars that change emotions as you talk | 10
  10. An Interactive Guide for Castlevania II: Simon's Quest | 2
  11. Cascade Chat – A Hackable IRCv3 Client for macOS, Windows, and Linux | 1
  12. Voidfall – Space looter shooter in the browser | 0
  13. Tilion – Stealth Browser Infrastructure for Agents | 11
  14. Pullrun – Run One OCI Image as a Container, Firecracker, or Apple VM | 0
  15. ZenStack – access control at the ORM layer, built for coding agents | 0
  16. Low-latency local LLM runner via OpenJDK Panama FFM (Java 22) | 1
  17. Samosa Chat - Run Qwen3.6-35B-A3B Locally on a 16 GB Mac | 4
  18. Town – Discord in a pixel town where the NPCs have skills | 3
  19. Running Win32/DirectX games in the browser via x86 emulation and WebGPU | 3
  20. I cleaned USDA's farmers-market data – 8,863 markets, CC-BY dataset | 0
  21. EdgarKit – a real-time JSON API for SEC EDGAR filings | 0
  22. Tiny Minimal Markdown Pastebin | 0
  23. GWZ – Git Workspace Zone (multi-repo that feels like plain Git) | 0
  24. Asciitopia – a library of animated ASCII art patterns | 0
  25. Datapoint – API for Human Preference Data | 0
  26. WebMotion, a browser native library for deterministic video composition | 2
  27. Pulsys – Pull-through cache for Hugging Face built with io_uring | 1
  28. We Built a Chat of Stanford's CS229 Course Notes | 0
  29. BeePub – A reading-first alternative to Calibre-Web | 0
  30. Classify-filename – Sort filenames into buckets by rules | 0
  31. Tangent – learn the Glove80 ergonomic keyboard by typing HN headlines | 1
  32. BYO AI free notetaking with optional screen reading for OpenClaw/hermes | 2
  33. PDF to Markdown with a side-by-side check so you can see what broke | 5
  34. I built a deterministic check for fabricated quotes in LLM output | 0
  35. I had models play Slime Soccer against each other | 6
  36. RavenGate – LLM gateway that redacts PII across SSE chunk boundaries | 1
  37. Neverswipe – your AI agent dates so you don't swipe | 4
  38. Digital De-Centralized Internship | 0
  39. Pg-jason-validator fastest JSON schema validation via C Macros | 0
  40. Proton – A pure Go GUI library with zero CGO and API immunity | 1
  41. An AI Duolingo for your income goals | 7
  42. Mechacraft.io – Browser Vehicle Builder | 0
  43. Free color tools that run entirely in the browser (no sign-up) | 1
  44. I Built OpenClaw for Stocks | 0
  45. Vehir – a platform built for AI agents: compiler, microkernel, CAS | 0
  46. Running over 80M tokens in one agent session with no compaction | 0
  47. Open-Source Puppeteer for After Effects | 0
  48. IChingPortal – Keyword search and news aggregator using the I Ching | 0
  49. Workaround – review and clean up your GitHub stars | 0
  50. show hn: 1d data to 3D topology, AI deepfakes to protien folding | 6
  51. Choji – turn Slack threads into ready-to-merge PR with Choji | 0
  52. Pi Exa – Web search and deep research for Pi coding agent | 0
  53. GitBiased – your team development dashboard | 0
  54. Alluvia – mine your Claude Code/Cursor/ChatGPT history, locally | 0
  55. Manifest – Turn any webpage into a structured action manifest for agent | 0
  56. DevQuest – live GitHub profile cards and a daily repository battle | 1
  57. Coliseo – open-source Head to Head ELO ranking of top startups | 0
  58. MDTool – free, client-side Markdown to PDF, HTML and Word (no uploads) | 0
  59. ADS-B Receiver for the Terminal | 6
  60. ClaudeThings – your AI engineering and marketing team in one command | 0
  61. A dashboard for tracking SK Hynix price gaps across exchanges | 0
  62. 3D printer simulator with in browser firmware execution | 1
  63. PalRoutes – Palworld 1.0 breeding routes from owned Pals | 0
  64. Iodd Viewer a free IODD viewer that runs in the browser | 0
  65. AI mock-interview coach that scores how you sound, not just your words | 0
  66. Simulator for a custom 8-bit discreet logic computer | 0
  67. Run SAM only when your tracker is uncertain – #1 on SportsMOT | 0
  68. Planetary Facts – food and product impacts against the planet's limits | 0
  69. PocketJS – Solid/Vue JSX and Tailwind at 60fps on a 2004 Sony PSP | 1
  70. I digitized 275 vintage citrus crate labels from my familys farm | 0
  71. I can't seem to text properly on an iPhone, so I built my own keyboard | 1
  72. Hiver – Chrome DevTools for Agents | 2
  73. A web based VistaPro clone | 0
  74. I counted India's 4M registered companies – most aren't active | 0
  75. DEFN-System – A Sega Master System Emulator Written in Clojure | 0
  76. UFO – Open-source orchestration for running AI agents unattended | 0
  77. Approv – human approval and a signed audit trail for AI agent actions | 0
  78. A device for never missing the surf turned into something more | 2
  79. I built source-verified SAT score profiles for hiring | 4
  80. We gave Hugging Face's realtime voice demo a face and it runs on a CPU | 0
  81. Sol – a validated computational artifact for human-agent handoffs | 0
  82. Pupul, portable and revocable memory you carry into any AI | 0
  83. We gave our website-audit tool an MCP server so agents can fix issues | 0
  84. I turned lender underwriting criteria into a 7-question quiz | 0
  85. I gave an LLM a clock and it usually won't look at it | 0
  86. I can appraise your data for purchase | 0
  87. Open-source]IntentGuard: Catch PRs that pass tests but miss the ticket | 0
  88. Noteato – Notion-like notes as local Markdown files | 0
  89. I built a site to see what politicians are beating S&P 500 | 2
  90. Verdict – AI hiring verdicts where every score cites the CV verbatim | 0
  91. Vibe-coding games with Claude, day 93: Rock Paper Scissors Lizard Spock | 0
  92. Chauffeur – One Click restore of your aplication Context | 1
  93. I open-sourced the portal I built for a client's vibe-coded apps | 1
  94. DayReplay – automatic time tracking using app and browser context | 0
  95. I built a tool that turns GitHub commits into posts | 0
  96. Halley – Turn production LLM traffic into $0 CI regression tests | 2
  97. GLP-RAM – Chrome extension reducing the browser memory appetite | 0
  98. Sorted-Collections – Fast, typed sorted data structures for TS/JS | 0
  99. Unlock Claude Sonnet 5's original reasoning | 0
  100. Self-hosted Minecraft multi-server panel for vanilla and modpacks | 0