{"slug": "show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai", "title": "Show HN: A brainstorm canvas with no back end, running on Chrome's on-device AI", "summary": "A solo developer released Idea Net, a brainstorm canvas that runs entirely in the browser with no back end, using Chrome's on-device AI to grow a word into a visual graph of related ideas. The tool requires no signup and stores the graph locally, with the developer adding features as needed.", "body_md": "$whoami\n\nOne person. Wrote it, use it every day. No team, no roadmap — I add whatever I feel like.\n\n$cat idea-net.md\n\n# # How many words does one word pull?\n\nGive it a starting point and it grows along the meaning: close extensions, jumps across fields, and the odd link that takes a beat before it clicks.\n\n- ›Ideas aren't listed. They're pulled.\n- ›You think you're chasing an answer — you're chasing the next word.\n- ›One choice at a time: the word you tap is the way it grows.\n- ›Every fork you didn't take stays on the map.\n\n$tree cache\n\n```\n   cache ─┬── write-through ── pay now, or pay later\n          ├── invalidation ·· one of the two hard things\n          └── stale read ──── eventual consistency\n                   └── CRDT ── merge without asking\n```\n\n$./idea-net --seed <your word>\n\n[start weaving](/play)No signup. Type a word and go — the graph lives in your browser.\n\n$./idea-net --check-engine\n\n…checking this browser…", "url": "https://wpnews.pro/news/show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai", "canonical_source": "https://idea.xiaohan.dev", "published_at": "2026-09-07 13:04:45+00:00", "updated_at": "2026-09-07 13:28:15.151967+00:00", "lang": "en", "topics": ["ai-products", "ai-tools", "generative-ai"], "entities": ["Chrome", "Idea Net"], "alternates": {"html": "https://wpnews.pro/news/show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai", "markdown": "https://wpnews.pro/news/show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai.md", "text": "https://wpnews.pro/news/show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai.txt", "jsonld": "https://wpnews.pro/news/show-hn-a-brainstorm-canvas-with-no-back-end-running-on-chrome-s-on-device-ai.jsonld"}}