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Nessie

Personal AI knowledge base that organizes your ChatGPT and Claude chat history into searchable notes.

4.2See reviews
#636 in Productivity#300 in Research
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Freemium🪟 Mac
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About Nessie

Nessie turns scattered AI conversations from ChatGPT, Claude, and other platforms into a searchable, structured personal knowledge base. It automatically distills conversations into organized notes by topic and lets you chat with your entire knowledge base to connect ideas. Privacy-first with local-first architecture.

Key Features

chat history import
auto organization
knowledge graph
ai search
local first privacy

💰 Pricing

Freemium

Free tier available. Pro plan with expanded features. YC-backed (W26 batch).

Frequently Asked Questions

Is Nessie free?
Nessie offers a free plan with limited features. Paid plans unlock additional capabilities. Free tier available. Pro plan with expanded features. YC-backed (W26 batch).
What is Nessie used for?
Nessie is primarily used for Productivity, Research. Personal AI knowledge base that organizes your ChatGPT and Claude chat history into searchable notes.
What platforms does Nessie work on?
Nessie is available on Mac.
What are the best alternatives to Nessie?
Top alternatives to Nessie include ChatGPT, Gemini, Claude. These tools offer similar functionality and may suit different budgets or workflows.

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📊 Comparison vs Alternatives

Feature
Nessie logoNessie
PricingFreemiumFreemiumFreemiumFreemium
Rating⭐ 4.2⭐ 4.8⭐ 4.5⭐ 4.8
Free Tier
Popularity
35%
100%
96%
94%

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Quick Stats

Rating
4.2
ReviewsExternal data
Productivity#636
Research#300
PricingFreemium
Popularity
35%

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Last updated: 2026-03-28·Claim this listing
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