ThinkerNotes

ThinkerNotes

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Introduction
A second brain that captures ideas and connects them with AI so you never forget a great insight.
Listed on
July 23, 2026

What is ThinkerNotes?

ThinkerNotes is a knowledge management tool designed for founders, content creators, and knowledge workers. It helps you capture ideas and insights from any source, then uses AI to automatically link related concepts across your entire knowledge base. The product aims to turn scattered notes into a connected, searchable second brain that supports original thinking.

How to use ThinkerNotes?

  • Start by signing up for a free account (no credit card required). Capture ideas and insights from books, podcasts, newsletters, or your own thoughts. Import Kindle highlights and organize by source, topic, or project. As you save new items, AI scans your knowledge base to surface related ideas and connections. Use semantic search to find anything you've captured, and rely on two-way linking to discover patterns across your notes.

Core features of ThinkerNotes

  • Capture ideas instantly from any source
  • AI-powered discovery that surfaces related ideas automatically
  • Semantic search that understands meaning, not just keywords
  • Two-way linking to connect ideas across sources
  • Import Kindle highlights and organize by source, topic, or project
  • Free to start, no credit card required

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