Show HN ranking for the past month

  1. I built a synth for my daughter | 209
  2. Boing | 146
  3. Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker | 215
  4. I made a down detector for down detector | 170
  5. I built an interactive HN Simulator | 215
  6. Glasses to detect smart-glasses that have cameras | 193
  7. Forty.News – Daily news, but on a 40-year delay | 180
  8. We built an open source, zero webhooks payment processor | 222
  9. I built a dashboard to compare mortgage rates across 120 credit unions | 128
  10. KiDoom – Running DOOM on PCB Traces | 49
  11. Epstein Files Organized and Searchable | 56
  12. F32 – An Extremely Small ESP32 Board | 51
  13. Explore what the browser exposes about you | 90
  14. Real-time system that tracks how news spreads across 200k websites | 74
  15. Browser-based interactive 3D Three-Body problem simulator | 113
  16. My hobby OS that runs Minecraft | 33
  17. OCR Arena – A playground for OCR models | 63
  18. ESPectre – Motion detection based on Wi-Fi spectre analysis | 50
  19. Stun LLMs with thousands of invisible Unicode characters | 111
  20. Onlyrecipe 2.0 – I added all features HN requested – 4 years later | 150
  21. Fixing Google Nano Banana Pixel Art with Rust | 34
  22. Unflip – a puzzle game about XOR patterns of squares | 56
  23. Fresh – A new terminal editor built in Rust | 147
  24. Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana | 39
  25. Tiny Diffusion – A character-level text diffusion model from scratch | 20
  26. Continuous Claude – run Claude Code in a loop | 62
  27. HCB Mobile – financial app built by 17 y/o, processing $6M/month | 62
  28. Parqeye – A CLI tool to visualize and inspect Parquet files | 35
  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 | 59
  31. Walrus – a Kafka alternative written in Rust | 48
  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. Microlandia, a brutally honest city builder | 25
  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. MTXT – Music Text Format | 39
  39. Kraa – Writing App for Everything | 69
  40. DBOS Java – Postgres-Backed Durable Workflows | 57
  41. Gametje – A casual online gaming platform | 40
  42. Build the habit of writing meaningful commit messages | 131
  43. Guts – convert Golang types to TypeScript | 30
  44. Marmot – Single-binary data catalog (no Kafka, no Elasticsearch) | 21
  45. Tacopy – Tail Call Optimization for Python | 48
  46. A Minimal Monthly Task Planner (printable, offline, no signup) | 32
  47. Safe-NPM – only install packages that are +90 days old | 64
  48. SyncKit – Offline-first sync engine (Rust/WASM and TypeScript) | 36
  49. Pulse 2.0 – Live co-listening rooms where anyone can be a DJ | 31
  50. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  51. I was reintroduced to computers: Raspberry Pi | 30
  52. Awesome J2ME | 55
  53. MkSlides – Markdown to slides with a similar workflow to MkDocs | 15
  54. DroidDock – A sleek macOS app for browsing Android device files via ADB | 41
  55. Encore – Type-safe back end framework that generates infra from code | 47
  56. I built a wizard to turn ideas into AI coding agent-ready specs | 37
  57. 32V TENS device from built from scratch under $100 | 25
  58. A tool to safely migrate GitHub Actions workflows to Ubuntu-slim runner | 3
  59. Cactoide – Federated RSVP Platform | 31
  60. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 65
  61. Pbnj – A minimal, self-hosted pastebin you can deploy in 60 seconds | 16
  62. Mu – The Micro Network | 41
  63. Marimo VS Code extension – Python notebooks built on LSP and uv | 5
  64. A subtly obvious e-paper room air monitor | 28
  65. Era – Open-source local sandbox for AI agents | 19
  66. Choose your own adventure style Presentation | 9
  67. DNS Benchmark Tool – Compare and monitor resolvers | 30
  68. Geofenced chat communities anyone can create | 61
  69. Virtual SLURM HPC cluster in a Docker Compose | 17
  70. Tusk Drift – Open-source tool for automating API tests | 17
  71. An LLM-Powered Tool to Catch PCB Schematic Mistakes | 29
  72. Pipeflow-PHP – Automate anything with pipelines even non-devs can edit | 9
  73. Reverse perspective camera for OpenGL (Three.js) | 8
  74. Davia – Open source visual, editable wiki from your codebase | 19
  75. Reversing a Cinema Camera's Peripherals Port | 2
  76. Cancer diagnosis makes for an interesting RL environment for LLMs | 20
  77. European tech news in 6 languages | 43
  78. A free Instagram story viewer that lets you watch anonymously | 19
  79. Vibe Prolog | 15
  80. A game where you invest into startups from history | 36
  81. Dumbass Business Ideas | 30
  82. An A2A-compatible, open-source framework for multi-agent networks | 42
  83. I built a platform where audiences fund debates between public thinkers | 38
  84. I built Magiclip – an all-in-one AI studio | 22
  85. Search London StreetView panoramas by text | 14
  86. I built an HTTP client that perfectly mimics Chrome 142 | 6
  87. MCP Traffic Analysis Tool | 0
  88. Data Formulator – interactive AI agents for data analysis (Microsoft) | 13
  89. RAG in 3 Lines of Python | 5
  90. Yolodex – real-time customer enrichment API | 23
  91. Gerbil – an open source desktop app for running LLMs locally | 12
  92. Venturu – Zillow for the market of local businesses | 36
  93. Spikelog – A simple metrics service for scripts, cron jobs, and MVPs | 17
  94. StepKit, an open and cross-platform durable execution standard | 16
  95. An AI zettelkasten that extracts ideas from articles, videos, and PDFs | 9
  96. Chirp – Local Windows dictation with ParakeetV3 no executable required | 18
  97. Tascli, a command line based (human) task and record manager | 13
  98. Three Emojis, a daily word puzzle for language learners | 28
  99. Xkcd #2347 lived in my head, so I built the dependency tower for real | 5
  100. Pegma, an open-source version of the classic Peg solitaire | 48