Show HN ranking for the past month

  1. I built a synth for my daughter | 209
  2. Boing | 139
  3. Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker | 213
  4. I scraped 3B Goodreads reviews to train a better recommendation model | 259
  5. I made a down detector for down detector | 170
  6. I built an interactive HN Simulator | 214
  7. Glasses to detect smart-glasses that have cameras | 192
  8. Forty.News – Daily news, but on a 40-year delay | 180
  9. Why write code if the LLM can just do the thing? (web app experiment) | 324
  10. We built an open source, zero webhooks payment processor | 219
  11. A CSS-Only Terrain Generator | 82
  12. KiDoom – Running DOOM on PCB Traces | 49
  13. Epstein Files Organized and Searchable | 56
  14. F32 – An Extremely Small ESP32 Board | 51
  15. Explore what the browser exposes about you | 86
  16. Browser-based interactive 3D Three-Body problem simulator | 112
  17. Real-time system that tracks how news spreads across 200k websites | 57
  18. My hobby OS that runs Minecraft | 32
  19. What Is Hacker News Working On? | 51
  20. OCR Arena – A playground for OCR models | 63
  21. ESPectre – Motion detection based on Wi-Fi spectre analysis | 50
  22. Stun LLMs with thousands of invisible Unicode characters | 111
  23. Unflip – a puzzle game about XOR patterns of squares | 55
  24. Tiny Diffusion – A character-level text diffusion model from scratch | 20
  25. Continuous Claude – run Claude Code in a loop | 62
  26. Parqeye – A CLI tool to visualize and inspect Parquet files | 35
  27. qqqa – A fast, stateless LLM-powered assistant for your shell | 86
  28. Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana | 36
  29. Gitlogue – A terminal tool that replays your Git commits with animation | 20
  30. Fixing Google Nano Banana Pixel Art with Rust | 24
  31. Network Monitor – a GUI to spot anomalous connections on your Linux | 56
  32. PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) | 74
  33. I turned algae into a bio-altimeter and put it on a weather balloon | 13
  34. I wrote a minimal memory allocator in C | 32
  35. Runprompt – run .prompt files from the command line | 48
  36. RowboatX – open-source Claude Code for everyday automations | 42
  37. See chords as flags – Visual harmony of top composers on musescore | 28
  38. DBOS Java – Postgres-Backed Durable Workflows | 57
  39. Gametje – A casual online gaming platform | 40
  40. Build the habit of writing meaningful commit messages | 131
  41. Guts – convert Golang types to TypeScript | 30
  42. a Rust ray tracer that runs on any GPU – even in the browser | 29
  43. Safe-NPM – only install packages that are +90 days old | 64
  44. I built a local-first daily planner for iOS | 81
  45. SyncKit – Offline-first sync engine (Rust/WASM and TypeScript) | 36
  46. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  47. Pulse 2.0 – Live co-listening rooms where anyone can be a DJ | 31
  48. Hephaestus – Autonomous Multi-Agent Orchestration Framework | 14
  49. Awesome J2ME | 55
  50. DroidDock – A sleek macOS app for browsing Android device files via ADB | 41
  51. MkSlides – Markdown to slides with a similar workflow to MkDocs | 15
  52. PingStalker – A macOS tool for network engineers | 31
  53. Encore – Type-safe back end framework that generates infra from code | 47
  54. TabPFN-2.5 – SOTA foundation model for tabular data | 13
  55. I built a wizard to turn ideas into AI coding agent-ready specs | 37
  56. 32V TENS device from built from scratch under $100 | 25
  57. A tool to safely migrate GitHub Actions workflows to Ubuntu-slim runner | 3
  58. Cactoide – Federated RSVP Platform | 31
  59. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 64
  60. Marimo VS Code extension – Python notebooks built on LSP and uv | 5
  61. A subtly obvious e-paper room air monitor | 28
  62. Mu – The Micro Network | 41
  63. Era – Open-source local sandbox for AI agents | 18
  64. Choose your own adventure style Presentation | 9
  65. Anki-LLM – Bulk process and generate Anki flashcards with LLMs | 23
  66. DNS Benchmark Tool – Compare and monitor resolvers | 30
  67. Geofenced chat communities anyone can create | 61
  68. Virtual SLURM HPC cluster in a Docker Compose | 17
  69. Tusk Drift – Open-source tool for automating API tests | 17
  70. Find matching acrylic paints for any HEX color | 19
  71. Pipeflow-PHP – Automate anything with pipelines even non-devs can edit | 9
  72. Reverse perspective camera for OpenGL (Three.js) | 8
  73. An LLM-Powered Tool to Catch PCB Schematic Mistakes | 29
  74. MyTimers.app offline-first PWA with no build step and zero dependencies | 30
  75. Sparktype – a CMS and SSG that runs entirely in the browser | 12
  76. Dynamic code and feedback walkthroughs with your coding Agent in VSCode | 13
  77. Davia – Open source visual, editable wiki from your codebase | 19
  78. Reversing a Cinema Camera's Peripherals Port | 2
  79. Cancer diagnosis makes for an interesting RL environment for LLMs | 20
  80. European tech news in 6 languages | 43
  81. A free Instagram story viewer that lets you watch anonymously | 19
  82. An AI to match your voice to songs and artists you should sing | 4
  83. Flutter_compositions: Vue-inspired reactive building blocks for Flutter | 25
  84. Yourshoesmells.com – Find the most smelly boulder gym | 44
  85. Vibe Prolog | 15
  86. Dumbass Business Ideas | 30
  87. An A2A-compatible, open-source framework for multi-agent networks | 42
  88. I built a platform where audiences fund debates between public thinkers | 38
  89. A game where you invest into startups from history | 36
  90. I built Magiclip – an all-in-one AI studio | 21
  91. FinBodhi – Local-first, double-entry app/PWA for your financial journey | 21
  92. Search London StreetView panoramas by text | 14
  93. I built an HTTP client that perfectly mimics Chrome 142 | 6
  94. MCP Traffic Analysis Tool | 0
  95. Data Formulator – interactive AI agents for data analysis (Microsoft) | 13
  96. Yolodex – real-time customer enrichment API | 23
  97. Gerbil – an open source desktop app for running LLMs locally | 12
  98. Venturu – Zillow for the market of local businesses | 36
  99. Spikelog – A simple metrics service for scripts, cron jobs, and MVPs | 17
  100. StepKit, an open and cross-platform durable execution standard | 16