From raw web content to lasting knowledge — automatically.
One click captures the page. AI generates a structured summary and extracts key concepts, people, and technologies.
Pages are automatically linked using semantic similarity. Explore a visual graph of your connected knowledge.
Flashcard-style reviews using the SuperMemo-2 algorithm ensure you actually remember what you save.
Every feature designed to help you retain and connect knowledge.
Save key passages with color-coded highlights and personal notes.
Create your own tags to organize knowledge your way.
Pin important captures for quick access anytime.
Navigate your knowledge base at lightning speed.
Search by date, tags, entities — find anything instantly.
Track your learning growth with visual analytics.
Free forever. Upgrade when you need cloud sync.
Nexus is fully open source. Audit the code, self-host it, fork it. Your data stays yours.
Use, modify, and distribute freely. No proprietary lock-in.
API keys never leave your browser. We never see your credentials.
Export your data anytime. Switch AI providers with one setting.
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