r/secondbrain is a subreddit with 6k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses second brain, organization, app, note, and notion.
The Official sub-reddit for Second Brain. A place to discuss tools and methods to create and deploy networks of AI-agents that handle the context in our lives.
Sub-reddit was created 10 years ago, but the initial mission was always to have a software that maps the way you think and work.
Popular Themes in r/secondbrain
#1
Advice Requests
: "I just finished 'Building a Second Brain' by Tiago Forte, and it's been a game changer in refining my digital organization! I couldn't help but write an article about it. Check it out :)"
11 posts
#2
Solution Requests
: "Does anyone have the Second Brain 5.0 Notion template?"
6 posts
#3
Self-Promotion
: "I Finally Built a Second Brain That I Actually Use (6th Attempt)"
3 posts
#4
Pain & Anger
: "Something happened today..."
2 posts
#5
Ideas
: "Second brain that turns notes into action - morning routine automation (4 months consistent)"
1 post
Popular Topics in r/secondbrain
#1
Second Brain
: "The “Second Brain” Movement Is Just Digital Hoarding"
88 posts
#2
Organization
: "I just finished 'Building a Second Brain' by Tiago Forte, and it's been a game changer in refining my digital Organization! I couldn't help but write an article about it. Check it out :)"
49 posts
#3
App
: "I am absolutely devastated by Evernote’s change to the free version of the App."
47 posts
#4
Note
: "I am absolutely devastated by EverNote’s change to the free version of the app."
40 posts
#5
Notion
: "local and global graph in Notion for your second brain!"
38 posts
#6
Productivity
: "Building a Second Brain"
17 posts
#7
Brain
: "I Finally Built a Second Brain That I Actually Use (6th Attempt)"
16 posts
#8
Ai
: "Ai and secondbrAins"
13 posts
#9
Notes
: "How do you take Notes? Which app do you use to organize your digital life?"
13 posts
#10
Second
: "I Finally Built a Second Brain That I Actually Use (6th Attempt)"
12 posts
Member Growth in r/secondbrain
Yearly
+2k members(60.4%)
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About
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Last updated: August 8, 2026