Show HN ranking for the past week

  1. Wealthfolio 2.0- Open source investment tracker. Now Mobile and Docker | 213
  2. I built an interactive HN Simulator | 213
  3. Forty.News – Daily news, but on a 40-year delay | 179
  4. We built an open source, zero webhooks payment processor | 213
  5. KiDoom – Running DOOM on PCB Traces | 47
  6. OCR Arena – A playground for OCR models | 62
  7. Stun LLMs with thousands of invisible Unicode characters | 109
  8. I wrote a minimal memory allocator in C | 32
  9. I turned algae into a bio-altimeter and put it on a weather balloon | 12
  10. Build the habit of writing meaningful commit messages | 131
  11. Cynthia – Reliably play MIDI music files – MIT / Portable / Windows | 33
  12. Awesome J2ME | 55
  13. I built a wizard to turn ideas into AI coding agent-ready specs | 37
  14. Safe-NPM – only install packages that are +90 days old | 37
  15. A WordPress plugin that rewrites image URLs for near-zero-cost delivery | 61
  16. Search London StreetView panoramas by text | 14
  17. StepKit, an open and cross-platform durable execution standard | 16
  18. Yolodex – real-time customer enrichment API | 11
  19. Supabase-Test – Fast Isolated Postgres DBs for Testing Supabase RLS | 10
  20. Tangent – Security log pipeline powered by WASM | 2
  21. PolyGPT – ChatGPT, Claude, Gemini, Perplexity responses side-by-side | 24
  22. We cut RAG latency ~2× by switching embedding model | 3
  23. Datamorph – A clean JSON ⇄ CSV converter with auto-detect | 8
  24. Secure private diffchecker with merge support | 14
  25. Smart Scan – REST API, Dashboard, and CI/CD Tools for MCP Security | 0
  26. I built an interactive map of jobs at top AI companies | 5
  27. Built a tool solve the nightmare of chunking tables in PDF vs. Markdown | 0
  28. Anthony Bourdain's Lost Li.st's | 5
  29. Jeffrey Epstein's Inbox | 9
  30. Axe - A Systems Programming Language with Builtin Parallelism and No GC | 5
  31. ChatIndex – A Lossless Memory System for AI Agents | 3
  32. Ontology-driven knowledge graph extraction from text | 0
  33. CTON: JSON-compatible, token-efficient text format for LLM prompts | 1
  34. MCP Security Scanning Tool for CI/CD | 0
  35. Open-source tool to generate OpenAPI docs from your code | 0
  36. I built the literal Duolingo Killer | 21
  37. Revise | 1
  38. MCP Flow Detection | 0
  39. I built an LLM powered receptionist for website chats | 6
  40. GitPulse – AI-powered tool to discover open source projects | 4
  41. Interactive research papers (a big step up from ArXiv HTML) | 8
  42. Wolfrominoes | 2
  43. Tiptap AI Toolkit – Now exploring server-side agentic document editing | 0
  44. GuardiAgent – Sandboxing / permission model for MCP servers | 0
  45. Ghostty-Web – Ghostty in the Browser | 3
  46. Rapid-rs – Zero-config web framework for Rust | 4
  47. Dank-AI – Ship production AI agents 10x faster | 8
  48. I just fixed .env once and for all – better-env | 4
  49. mma019 Real-Time AI-Powered Texas Hold'em in Python and Flask | 5
  50. Logical (YC F25): a local-first proactive desktop AI copilot | 0
  51. WireMD – Design Wireframes in Markdown | 3
  52. I built a free kids coloring site with AI | 17
  53. SitStand – Control your standing desk from the command line | 0
  54. HN Insights – HN front page summaries | 1
  55. Open-Source Visual Wiki Your Coding Agent Writes for You | 0
  56. Superglue – OSS integration tool that understands your legacy systems | 1
  57. Docker Model Runner Integrates vLLM for High-Throughput Inference | 1
  58. Get Fat Slowly | 0
  59. Sparse Matrix-Vector Multiplication that works at 30–90% sparsity | 5
  60. MightyGrep | 0
  61. Pynote – Embed Python code and editor, notebooks in any HTML page | 3
  62. ZenPaint, a pixel-perfect MacPaint recreation for the browser | 0
  63. Yonoma – Behavior based email automation for SaaS | 4
  64. I wrote my lecture notes in Typst | 0
  65. WeatherOrNot a maximal weather app in the terminal | 0
  66. YAAT – Privacy-first analytics for EU companies (need for beta users) | 3
  67. Mint – an open-source photo editor and digital compositor for the web | 1
  68. I made a Rust Terminal UI for OpenSnitch, a Linux application firewall | 0
  69. Server Survival – Tower defense game for learning cloud architecture | 2
  70. Antler – An IRL Browser | 1
  71. OpenBotAuth – Open-Source Web Bot Auth with Social Registry | 0
  72. Even Turns, track your families turns | 3
  73. Fractalbits – S3 compatibe store，1M iops p99～5ms，using Rust and Zig | 0
  74. Thand – open-source, distributed, JIT, PAM and provisioning platform | 0
  75. Explore what the browser exposes about you | 1
  76. Pulse-Field – O(N) AI Architecture (12x faster than Transformers) | 8
  77. Numr – A Vim-style TUI calculator for natural language math expressions | 0
  78. Gatling Studio – Turn browser journeys into ready-to-run load tests | 1
  79. Transcribe Your Voice in Terminal Locally | 0
  80. better-env – A Secure, Developer-Friendly Alternative to .env | 3
  81. Search tool for "Ask HN: What Are You Working On?" | 0
  82. Train a language model in the browser with WebGPU | 1
  83. Cossistant – open-source and open components support widget for React | 0
  84. Deft-Intruder – Real-time malware detection daemon for Linux | 0
  85. Era – Open-source local sandbox for AI agents | 0
  86. Parm – Install GitHub releases just like your favorite package manager | 2
  87. Reverse Jailbreaking a Psychopathic AI via Identity Injection | 0
  88. HN Buffer – A read-it-later site for your HN favorites | 0
  89. A better way to handoff web bugs to AI agents | 2
  90. Simulating the vacuum as a superfluid to derive Alpha = 1/137 | 1
  91. Mgrep – A Semantic, Multimodal Grep | 0
  92. Tab Freezer – Saved 3.1GB swap with 84 tabs open | 0
  93. Open-Source Visual Wiki Your Coding Agent Writes for You | 0
  94. I made a tool to export TikTok comments | 2
  95. Fulfilled – Non-custodial financial co-pilot for goal optimization | 7
  96. An OKLCH-based perceptually uniform color system/theme builder | 1
  97. FOSS De-googled Compass and Nav app with live location tracking | 1
  98. UsageFlow – API usage metering, rate-limits and usage reporting | 0
  99. Fixing Google Nano Banana Pixel Art with Rust | 0
  100. Onlymaps, a Python Micro-ORM | 0