Show HN ranking for the past month

  1. I built a synth for my daughter | 209
  2. Strange Attractors | 78
  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 | 213
  7. Forty.News – Daily news, but on a 40-year delay | 179
  8. Why write code if the LLM can just do the thing? (web app experiment) | 324
  9. We built an open source, zero webhooks payment processor | 213
  10. A CSS-Only Terrain Generator | 82
  11. KiDoom – Running DOOM on PCB Traces | 47
  12. Epstein Files Organized and Searchable | 56
  13. F32 – An Extremely Small ESP32 Board | 51
  14. I made a heatmap diff viewer for code reviews | 68
  15. In a single HTML file, an app to encourage my children to invest | 437
  16. Bash Screensavers | 77
  17. Browser-based interactive 3D Three-Body problem simulator | 112
  18. My hobby OS that runs Minecraft | 32
  19. What Is Hacker News Working On? | 51
  20. ESPectre – Motion detection based on Wi-Fi spectre analysis | 50
  21. OCR Arena – A playground for OCR models | 62
  22. Stun LLMs with thousands of invisible Unicode characters | 109
  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. Gitlogue – A terminal tool that replays your Git commits with animation | 20
  29. PrinceJS – 19,200 req/s Bun framework in 2.8 kB (built by a 13yo) | 73
  30. I wrote a minimal memory allocator in C | 32
  31. RowboatX – open-source Claude Code for everyday automations | 41
  32. See chords as flags – Visual harmony of top composers on musescore | 28
  33. Learn German with Games | 106
  34. I turned algae into a bio-altimeter and put it on a weather balloon | 12
  35. Pipelex – Declarative language for repeatable AI workflows | 27
  36. DBOS Java – Postgres-Backed Durable Workflows | 57
  37. Quibbler – A critic for your coding agent that learns what you want | 27
  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. I built a local-first daily planner for iOS | 81
  43. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  44. Research Hacker News, ArXiv & Google with Hierarchical Bayesian Models | 23
  45. Hephaestus – Autonomous Multi-Agent Orchestration Framework | 14
  46. Awesome J2ME | 55
  47. DroidDock – A sleek macOS app for browsing Android device files via ADB | 41
  48. PingStalker – A macOS tool for network engineers | 31
  49. Encore – Type-safe back end framework that generates infra from code | 47
  50. I built a self-hosted error tracker in Rails | 55
  51. TabPFN-2.5 – SOTA foundation model for tabular data | 13
  52. Tamagotchi P1 for FPGAs | 11
  53. I built a wizard to turn ideas into AI coding agent-ready specs | 37
  54. 32V TENS device from built from scratch under $100 | 25
  55. A tool to safely migrate GitHub Actions workflows to Ubuntu-slim runner | 3
  56. Safe-NPM – only install packages that are +90 days old | 37
  57. Cactoide – Federated RSVP Platform | 31
  58. Apache Fory Rust – 10-20x faster serialization than JSON/Protobuf | 59
  59. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 61
  60. Marimo VS Code extension – Python notebooks built on LSP and uv | 5
  61. A subtly obvious e-paper room air monitor | 28
  62. Anki-LLM – Bulk process and generate Anki flashcards with LLMs | 23
  63. DNS Benchmark Tool – Compare and monitor resolvers | 30
  64. Geofenced chat communities anyone can create | 61
  65. Virtual SLURM HPC cluster in a Docker Compose | 17
  66. HUD-like live annotation and sketching app for macOS | 19
  67. Front End Fuzzy and Substring and Prefix Search | 4
  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. ekoAcademic – Convert ArXiv papers to interactive podcasts | 14
  72. Reverse perspective camera for OpenGL (Three.js) | 8
  73. Butter – A Behavior Cache for LLMs | 22
  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 | 14
  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. Dexto – Connect your AI Agents with real-world tools and data | 12
  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. Gerbil – an open source desktop app for running LLMs locally | 12
  97. Venturu – Zillow for the market of local businesses | 36
  98. StepKit, an open and cross-platform durable execution standard | 16
  99. An easy-to-use online curve fitting tool | 15
  100. SQLite Graph Ext – Graph database with Cypher queries (alpha) | 17