nessie-app ☆
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Description:
Knowledge base from AI chats
Type: Cask  |  Latest Version: 1.3.9@0  |  Tracked Since: Dec 23, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: knowledge-base ai productivity local-first research
Install: brew install --cask nessie-app
About:
Nessie App is a local-first knowledge base designed to capture, organize, and query insights from your AI chat conversations. It provides a unified workspace to sync, search, and manage chat histories from various LLM providers. This tool helps users transform ephemeral chat interactions into a structured and reusable personal knowledge library.
Key Features:
  • Local-first architecture for data privacy and control
  • Support for importing chats from multiple AI providers
  • Semantic search and retrieval over conversation history
  • Structured organization with tags and collections
Use Cases:
  • Consolidating research and conversations from different AI models
  • Building a personal, searchable knowledge base from chat logs
  • Reusing code snippets and answers from previous AI interactions
Alternatives:
  • Obsidian – Obsidian is a general-purpose note-taking app, whereas Nessie is specifically designed for parsing and managing AI chat logs.
  • Notion – Notion is a cloud-based workspace; Nessie offers a local-first approach for enhanced privacy and chat-specific features.
Version History
Detected Version Rev Change Commit
Jan 24, 2026 1:28am 1.3.9 0 VERSION_BUMP 1b6156c0
Jan 23, 2026 1:33am 1.3.8 0 VERSION_BUMP 48ba9fa8
Dec 23, 2025 10:44am 1.3.6 0 VERSION_BUMP ac7e7c39
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