Your Second
Brain
Features
AI Summaries
Automatically extract key insights from any web page. Get bullet points, highlights, and long-form summaries.
Powered by GeminiContent Intelligence
AI evaluates source credibility, content depth, and citation quality. Know what you're saving before you commit.
Quality ScoringSemantic Search
Search by meaning, not just keywords. Find that article about "productivity tips" even if you forgot the title.
AI-PoweredKnowledge Graph
Discover connections between your bookmarks. Visualize your knowledge as an interactive semantic network.
Visual ExplorationLearning Analytics
Track your reading habits. See your top topics, reading patterns, and get personalized insights to learn better.
Know YourselfSmart Resurfacing
Never forget what you saved. AI surfaces forgotten bookmarks at the right time using spaced repetition.
Active Memory
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Second Brain?
Open source and self-hosted. Take control of your knowledge.
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