Show HN ranking for the past month

  1. I built a synth for my daughter | 209
  2. Boing | 142
  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 | 215
  7. Glasses to detect smart-glasses that have cameras | 192
  8. Forty.News – Daily news, but on a 40-year delay | 180
  9. We built an open source, zero webhooks payment processor | 222
  10. A CSS-Only Terrain Generator | 82
  11. KiDoom – Running DOOM on PCB Traces | 49
  12. Epstein Files Organized and Searchable | 56
  13. F32 – An Extremely Small ESP32 Board | 51
  14. Explore what the browser exposes about you | 89
  15. Real-time system that tracks how news spreads across 200k websites | 70
  16. Browser-based interactive 3D Three-Body problem simulator | 113
  17. My hobby OS that runs Minecraft | 32
  18. What Is Hacker News Working On? | 51
  19. OCR Arena – A playground for OCR models | 63
  20. ESPectre – Motion detection based on Wi-Fi spectre analysis | 50
  21. Stun LLMs with thousands of invisible Unicode characters | 111
  22. Fixing Google Nano Banana Pixel Art with Rust | 32
  23. Unflip – a puzzle game about XOR patterns of squares | 56
  24. Tiny Diffusion – A character-level text diffusion model from scratch | 20
  25. Continuous Claude – run Claude Code in a loop | 62
  26. Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana | 37
  27. Parqeye – A CLI tool to visualize and inspect Parquet files | 35
  28. qqqa – A fast, stateless LLM-powered assistant for your shell | 86
  29. Gitlogue – A terminal tool that replays your Git commits with animation | 20
  30. Network Monitor – a GUI to spot anomalous connections on your Linux | 56
  31. PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) | 74
  32. I turned algae into a bio-altimeter and put it on a weather balloon | 13
  33. I wrote a minimal memory allocator in C | 32
  34. Runprompt – run .prompt files from the command line | 48
  35. RowboatX – open-source Claude Code for everyday automations | 42
  36. See chords as flags – Visual harmony of top composers on musescore | 28
  37. DBOS Java – Postgres-Backed Durable Workflows | 57
  38. Gametje – A casual online gaming platform | 40
  39. Build the habit of writing meaningful commit messages | 131
  40. Guts – convert Golang types to TypeScript | 30
  41. a Rust ray tracer that runs on any GPU – even in the browser | 29
  42. Safe-NPM – only install packages that are +90 days old | 64
  43. I built a local-first daily planner for iOS | 81
  44. SyncKit – Offline-first sync engine (Rust/WASM and TypeScript) | 36
  45. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  46. Pulse 2.0 – Live co-listening rooms where anyone can be a DJ | 31
  47. Hephaestus – Autonomous Multi-Agent Orchestration Framework | 14
  48. Awesome J2ME | 55
  49. DroidDock – A sleek macOS app for browsing Android device files via ADB | 41
  50. MkSlides – Markdown to slides with a similar workflow to MkDocs | 15
  51. PingStalker – A macOS tool for network engineers | 31
  52. Encore – Type-safe back end framework that generates infra from code | 47
  53. TabPFN-2.5 – SOTA foundation model for tabular data | 13
  54. I built a wizard to turn ideas into AI coding agent-ready specs | 37
  55. 32V TENS device from built from scratch under $100 | 25
  56. A tool to safely migrate GitHub Actions workflows to Ubuntu-slim runner | 3
  57. Cactoide – Federated RSVP Platform | 31
  58. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 64
  59. Mu – The Micro Network | 41
  60. Marimo VS Code extension – Python notebooks built on LSP and uv | 5
  61. A subtly obvious e-paper room air monitor | 28
  62. Era – Open-source local sandbox for AI agents | 18
  63. Choose your own adventure style Presentation | 9
  64. Anki-LLM – Bulk process and generate Anki flashcards with LLMs | 23
  65. DNS Benchmark Tool – Compare and monitor resolvers | 30
  66. Geofenced chat communities anyone can create | 61
  67. Virtual SLURM HPC cluster in a Docker Compose | 17
  68. Tusk Drift – Open-source tool for automating API tests | 17
  69. Find matching acrylic paints for any HEX color | 19
  70. Pipeflow-PHP – Automate anything with pipelines even non-devs can edit | 9
  71. An LLM-Powered Tool to Catch PCB Schematic Mistakes | 29
  72. Reverse perspective camera for OpenGL (Three.js) | 8
  73. MyTimers.app offline-first PWA with no build step and zero dependencies | 30
  74. Sparktype – a CMS and SSG that runs entirely in the browser | 12
  75. Dynamic code and feedback walkthroughs with your coding Agent in VSCode | 13
  76. Davia – Open source visual, editable wiki from your codebase | 19
  77. Reversing a Cinema Camera's Peripherals Port | 2
  78. Cancer diagnosis makes for an interesting RL environment for LLMs | 20
  79. European tech news in 6 languages | 43
  80. A free Instagram story viewer that lets you watch anonymously | 19
  81. An AI to match your voice to songs and artists you should sing | 4
  82. Flutter_compositions: Vue-inspired reactive building blocks for Flutter | 25
  83. Yourshoesmells.com – Find the most smelly boulder gym | 44
  84. Vibe Prolog | 15
  85. Dumbass Business Ideas | 30
  86. An A2A-compatible, open-source framework for multi-agent networks | 42
  87. I built a platform where audiences fund debates between public thinkers | 38
  88. A game where you invest into startups from history | 36
  89. I built Magiclip – an all-in-one AI studio | 22
  90. FinBodhi – Local-first, double-entry app/PWA for your financial journey | 21
  91. Search London StreetView panoramas by text | 14
  92. I built an HTTP client that perfectly mimics Chrome 142 | 6
  93. MCP Traffic Analysis Tool | 0
  94. Data Formulator – interactive AI agents for data analysis (Microsoft) | 13
  95. Yolodex – real-time customer enrichment API | 23
  96. Gerbil – an open source desktop app for running LLMs locally | 12
  97. Venturu – Zillow for the market of local businesses | 36
  98. Spikelog – A simple metrics service for scripts, cron jobs, and MVPs | 17
  99. StepKit, an open and cross-platform durable execution standard | 16
  100. An easy-to-use online curve fitting tool | 15