Show HN ranking for the past month

  1. I built a synth for my daughter | 209
  2. Boing | 145
  3. Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker | 215
  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 | 193
  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 | 90
  15. Real-time system that tracks how news spreads across 200k websites | 71
  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. I built a dashboard to compare mortgage rates across 120 credit unions | 73
  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. Fixing Google Nano Banana Pixel Art with Rust | 34
  24. Unflip – a puzzle game about XOR patterns of squares | 56
  25. Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana | 39
  26. Tiny Diffusion – A character-level text diffusion model from scratch | 20
  27. Continuous Claude – run Claude Code in a loop | 62
  28. Parqeye – A CLI tool to visualize and inspect Parquet files | 35
  29. qqqa – A fast, stateless LLM-powered assistant for your shell | 86
  30. Gitlogue – A terminal tool that replays your Git commits with animation | 20
  31. Network Monitor – a GUI to spot anomalous connections on your Linux | 59
  32. PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) | 74
  33. Fresh – A new terminal editor built in Rust | 90
  34. I turned algae into a bio-altimeter and put it on a weather balloon | 13
  35. I wrote a minimal memory allocator in C | 32
  36. Runprompt – run .prompt files from the command line | 49
  37. RowboatX – open-source Claude Code for everyday automations | 42
  38. See chords as flags – Visual harmony of top composers on musescore | 28
  39. DBOS Java – Postgres-Backed Durable Workflows | 57
  40. Gametje – A casual online gaming platform | 40
  41. Build the habit of writing meaningful commit messages | 131
  42. Guts – convert Golang types to TypeScript | 30
  43. Marmot – Single-binary data catalog (no Kafka, no Elasticsearch) | 21
  44. Safe-NPM – only install packages that are +90 days old | 64
  45. I built a local-first daily planner for iOS | 81
  46. SyncKit – Offline-first sync engine (Rust/WASM and TypeScript) | 36
  47. Pulse 2.0 – Live co-listening rooms where anyone can be a DJ | 31
  48. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  49. Awesome J2ME | 55
  50. MkSlides – Markdown to slides with a similar workflow to MkDocs | 15
  51. DroidDock – A sleek macOS app for browsing Android device files via ADB | 41
  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. Microlandia, a brutally honest city builder | 8
  60. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 65
  61. Mu – The Micro Network | 41
  62. Marimo VS Code extension – Python notebooks built on LSP and uv | 5
  63. A subtly obvious e-paper room air monitor | 28
  64. Era – Open-source local sandbox for AI agents | 19
  65. Choose your own adventure style Presentation | 9
  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. An LLM-Powered Tool to Catch PCB Schematic Mistakes | 29
  71. Pipeflow-PHP – Automate anything with pipelines even non-devs can edit | 9
  72. Reverse perspective camera for OpenGL (Three.js) | 8
  73. Sparktype – a CMS and SSG that runs entirely in the browser | 12
  74. Dynamic code and feedback walkthroughs with your coding Agent in VSCode | 13
  75. Davia – Open source visual, editable wiki from your codebase | 19
  76. Reversing a Cinema Camera's Peripherals Port | 2
  77. Cancer diagnosis makes for an interesting RL environment for LLMs | 20
  78. European tech news in 6 languages | 43
  79. A free Instagram story viewer that lets you watch anonymously | 19
  80. Flutter_compositions: Vue-inspired reactive building blocks for Flutter | 25
  81. Yourshoesmells.com – Find the most smelly boulder gym | 44
  82. Vibe Prolog | 15
  83. A game where you invest into startups from history | 36
  84. Dumbass Business Ideas | 30
  85. An A2A-compatible, open-source framework for multi-agent networks | 42
  86. I built a platform where audiences fund debates between public thinkers | 38
  87. I built Magiclip – an all-in-one AI studio | 22
  88. Search London StreetView panoramas by text | 14
  89. I built an HTTP client that perfectly mimics Chrome 142 | 6
  90. MCP Traffic Analysis Tool | 0
  91. Data Formulator – interactive AI agents for data analysis (Microsoft) | 13
  92. Yolodex – real-time customer enrichment API | 23
  93. Gerbil – an open source desktop app for running LLMs locally | 12
  94. Venturu – Zillow for the market of local businesses | 36
  95. Spikelog – A simple metrics service for scripts, cron jobs, and MVPs | 17
  96. StepKit, an open and cross-platform durable execution standard | 16
  97. An AI zettelkasten that extracts ideas from articles, videos, and PDFs | 8
  98. An easy-to-use online curve fitting tool | 15
  99. Chirp – Local Windows dictation with ParakeetV3 no executable required | 18
  100. Pegma, an open-source version of the classic Peg solitaire | 48