Tundra

Browser extension personal knowledge base for growing notes over time.

Browser extensionfreeglobal

Tundra is a browser extension for building a personal knowledge base, letting users capture and grow markdown notes directly while browsing. It suits people who want to capture fleeting ideas without switching away to a separate notes app.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Tundra - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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