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Show HN: An AI zettelkasten that extracts ideas from articles, videos, and PDFs https://ift.tt/Zjubwnk

Show HN: An AI zettelkasten that extracts ideas from articles, videos, and PDFs Hey HN! Over the weekend (leaning heavily on Opus 4.5) I wrote Jargon - an AI-managed zettelkasten that reads articles, papers, and YouTube videos, extracts the key ideas, and automatically links related concepts together. Demo video: https://youtu.be/W7ejMqZ6EUQ Repo: https://ift.tt/tdTBXwP You can paste an article, PDF link, or YouTube video to parse, or ask questions directly and it'll find its own content. Sources get summarized, broken into insight cards, and embedded for semantic search. Similar ideas automatically cluster together. Each insight can spawn research threads - questions that trigger web searches to pull in related content, which flows through the same pipeline. You can explore the graph of linked ideas directly, or ask questions and it'll RAG over your whole library plus fresh web results. Jargon uses Rails + Hotwire with Falcon for async processing, pgvector for embeddings, Exa ...
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Show HN: Rust-based ultra-low latency streaming framework – Wingfoil https://ift.tt/ADnY4uZ

Show HN: Rust-based ultra-low latency streaming framework – Wingfoil https://ift.tt/KvdWyMX December 1, 2025 at 11:56PM
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Show HN: FFmpeg Engineering Handbook https://ift.tt/ODbaz07

Show HN: FFmpeg Engineering Handbook https://ift.tt/jkUAReg December 1, 2025 at 11:31PM
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Show HN: Memory Lane – bootstrap your naive Claude instances with their history https://ift.tt/hPgenk5

Show HN: Memory Lane – bootstrap your naive Claude instances with their history https://ift.tt/GqlfewJ December 1, 2025 at 04:04AM
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Show HN: A fun password strength meter I made for my teenage kids and friends https://ift.tt/rOfinw4

Show HN: A fun password strength meter I made for my teenage kids and friends https://passwordcat.top December 1, 2025 at 02:33AM
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Show HN: I Built Tinyfocus – A Minimal Tool to Help Solo Founders Focus https://ift.tt/neK9rcz

Show HN: I Built Tinyfocus – A Minimal Tool to Help Solo Founders Focus Hi HN, I just launched Tinyfocus, a small productivity tool designed specifically for solo founders and builders. The goal is simple: help you focus on what matters and get more done in less time. Here’s what Tinyfocus does: Lets you track your top tasks and prioritize efficiently. Provides micro dashboards to keep your daily focus in check. Lightweight, no distractions, no fluff. I built it entirely by myself, iterating in public, and I wanted to share it with the community to get feedback. It’s been crazy seeing how a simple tool can make such a difference in daily focus, especially when you’re juggling multiple projects as a solo founder. Check it out here: tinyfoc.us I’d love to hear your thoughts – any feedback, feature ideas, or bugs you notice. Thanks! https://ift.tt/84yPIKu December 1, 2025 at 01:05AM
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Show HN: Zero-power photonic language model–code https://ift.tt/Gd5uSfN

Show HN: Zero-power photonic language model–code The model uses a 1024-dimensional complex Hilbert space with 32 layers of programmable Mach–Zehnder meshes (Reck architecture) and derives token probabilities directly via the Born rule. Despite using only unitary operations and no attention mechanism, a 1024×32 model achieves coherent TinyStories generation after < 1.8 hours of training on a single consumer GPU. This is Part 1 - the next step is physical implementation with $50 of optics from AliExpress. https://zenodo.org/records/17764289 November 30, 2025 at 01:45AM
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