Show HN ranking for the past week

  1. KVSplit – Run 2-3x longer contexts on Apple Silicon | 35
  2. HelixDB – Open-source vector-graph database for AI applications (Rust) | 107
  3. Muscle-Mem, a behavior cache for AI agents | 51
  4. Visual flow-based programming for Erlang, inspired by Node-RED | 92
  5. Min.js style compression of tech docs for LLM context | 52
  6. Airweave – Let agents search any app | 39
  7. Semantic Calculator (king-man+woman=?) | 172
  8. Lumier – Run macOS VMs in a Docker | 52
  9. Basecoat – shadcn/UI components, no React required | 77
  10. Real-Time Gaussian Splatting | 51
  11. Xenolab – Rasp Pi monitor for my pet carnivourus plants | 55
  12. CLI that spots fake GitHub stars, risky dependencies and licence traps | 70
  13. I’ve built an IoT device to let my family know when I’m in a meeting | 77
  14. Code Claude Code | 25
  15. Undetectag, track stolen items with AirTag | 97
  16. A5 | 29
  17. Lumoar – Free SOC 2 tool for SaaS startups | 32
  18. Easel – Code multiplayer games like singleplayer | 43
  19. I’m 16 years old and working on my first startup, a study app | 126
  20. GlassFlow – OSS streaming dedup and joins from Kafka to ClickHouse | 32
  21. Codigo – The Programming Language Repository | 24
  22. SQL-tString a t-string SQL builder in Python | 30
  23. LoopMix128 – Fast C PRNG (.46ns), 2^128 Period, BigCrush/PractRand Pass | 34
  24. Rv, a Package Manager for R | 29
  25. Workflow Use – Deterministic, self-healing browser automation (RPA 2.0) | 16
  26. CSV GB+ by Data.olllo – Open and Process CSVs Locally | 22
  27. Solidis – Tiny TS Redis client, no deps, for serverless | 5
  28. Mycelium | 8
  29. A free AI risk assessment tool for LLM applications | 12
  30. AG-UI Protocol – Bring Agents into Frontend Applications | 5
  31. Merliot – plugging physical devices into LLMs | 7
  32. MMORPG prototype inspired by World of Warcraft | 9
  33. The missing inbox for GitHub pull requests | 7
  34. Make your own voice AI in two clicks | 9
  35. PLAttice, for assembling structures much larger than the 3D printer bed | 6
  36. Heygem AI – An Open Source, Free Alternative to Heygen AI | 3
  37. Prompt Inspector – A browser-like inspect tool for prompts | 4
  38. Blog comments, nice looking, open source – Talkyard | 3
  39. Tako, a Knowledge Search API | 12
  40. YapCards (iOS) – Voice-driven flashcards with AI feedback | 7
  41. Fahmatrix – A Lightweight, Pandas-Like DataFrame Library for Java | 4
  42. I made a platform to debug Puppeteer (JS) crashes visually | 2
  43. I made a site for finding people to build cool tech projects with | 20
  44. Kudos.wiki – Discover the best movies on Wikipedia | 6
  45. Roast My Dish – AI roasts your food photos with brutal honesty | 7
  46. Sam TTS – Recreates the classic Microsoft SAM voice in the browser | 8
  47. acmsg (automated commit message generator) | 19
  48. Why hanging out on Hacker News is a good use of your time? | 5
  49. Robust LLM Extractor for HTML/Markdown in TypeScript | 0
  50. Self-Funded Game with Homemade Engine – Play Online, Steam Coming | 7
  51. Printstack – I'll print and post your Substacks to you | 2
  52. A C-Suite AI Agent Meant for SMB | 10
  53. One Billion Checkboxes | 15
  54. Convert existing agent projects from different framewrks to A2A servers | 0
  55. Doxxer – CLI tool for dynamic SemVer versioning using tags | 4
  56. Making #regions actually useful in VSCode | 3
  57. Put macros.menu/ in front of any restaurant menu URL | 0
  58. AI and Energy Efficiency Hackathon – 1 BTC to top team (SF, June 21) | 4
  59. Convert JSON Schema to SQL DDL | 0
  60. Litelytics – A nice GA4 dashboard (better Looker Studio) | 3
  61. Vibemail – Chrome extension for vibe emailing | 7
  62. A free and open source online database modeling editor | 0
  63. LTXV 13B Distilled – Generate 5s Videos in Under 10s | 1
  64. Save hours after networking events with this AI business card organizer | 1
  65. TheorIA – An Open Curated Physics Dataset (Equations,Explanations,JSON) | 6
  66. One-liner CLI for batched PDF-to-Markdown at $1 per ~6k pages | 0
  67. Hyprsqrl – open-source revolut you can self-host (live iban/sepa/ACH) | 3
  68. OpenMemory – Make your MCP clients more context-aware | 0
  69. AGI Hits a Structural Wall – A Billion-Dollar Problem | 0
  70. Kasimba – Simple macOS app that converts Windows paths to SMB addresses | 5
  71. PondPilot – Run SQL on DuckDB/CSV/etc. Locally via WASM (Open-Source) | 0
  72. Open-source MMORPG prototype inspired by World of Warcraft | 2
  73. Git-Native Client (free, no login) | 0
  74. Reactylon – A new way to build XR with React and Babylon.js | 0
  75. You know browser-use, here's human-use for LLMs to get info from humans | 4
  76. AI Cold Outreach Tool | 1
  77. Downloads Director – Auto-organize your Downloads folder by file type | 1
  78. Genie – A Slack teammate to help teams research and find answers fast | 4
  79. Playmaker – Vibe marketing, powered by deep-research | 1
  80. QSpeak – An alternative for WisprFlow supporting local LLMs and Linux | 3
  81. Pixelagent – Build your Stateful Agent Framework in 200 lines of code | 2
  82. Turn OpenAPI documents to LLM friendly Markdown | 0
  83. SmartBuckets – With one line of code, never build a RAG pipeline again | 1
  84. Open-source AI code review agent that's aware of your entire codebase | 1
  85. Online Compass | 0
  86. Cache Horse: An HTTP cache/batch service | 0
  87. I Built Remind Me AI. It's Like Unlimited GPT Tasks. Try the Demo | 0
  88. Build a free linktree alternative that skips in-app-browsers | 3
  89. Inconveniently operating my computer with voice and hand gestures | 0
  90. EVMAuth | 0
  91. Mullets.me – See yourself with a glorious mullet | 2
  92. MobileAnalytics.io - I fixed App Store Connect | 1
  93. Dhenara Agent DSL– Framework for Complex Agents with Free Observability | 2
  94. Samurai Interview – a mock interview simulator | 2
  95. Superchange.ai – AI-native changelog, stay updated on what YOU build on | 0
  96. I built ScoreMeIO to compare and rank any product | 0
  97. Intlayer – flexible internationalization for React, Next.js and Vue | 0
  98. I vibe coded an open-source Go app to back up DBs using Docker labels | 2
  99. Build your own AI code reviewer | 0
  100. Family Folder – Help your family remember everything, organise anything | 6