Second brain explained
The aim is to stop relying on memory. You capture what resonates, organise it by where it will be useful, and turn it into finished work like articles, plans or decisions.
Any notes app can hold a second brain. The habit of capturing and reusing matters more than the tool.
Try it today
- Choose one notes app as your single home for ideas.
- Capture only what surprises or helps you, not everything.
- Once a week, reuse something you saved in real work.
Where it comes from
Tiago Forte popularised the term with his course and his 2022 book Building a Second Brain.
Frequently asked questions
- What is a second brain?
- A second brain is a personal, digital system for saving and organising what you learn, such as notes, highlights and ideas, so you can find and reuse it later.
- Where does a second brain come from?
- Tiago Forte popularised the term with his course and his 2022 book Building a Second Brain.
- How do I start with a second brain?
- Choose one notes app as your single home for ideas. Capture only what surprises or helps you, not everything. Once a week, reuse something you saved in real work.
- Which tools help with a second brain?
- Tools in our directory that help include Notion, Obsidian, Tana, Mem.ai. Each has its own page with pricing, pros and cons.