Alternatives

Products that do what Second Brain does

Second Brain is a free for creating and sharing content

1. 1
   Second Brain▲302

   The second brain that writes itself and build your tools

   2025 · second-brain-lac-ten.vercel.app

2. 2
   SECOND BRAIN 2.0▲111

   Get organized, get productive with Second Brain 2.0

   2023

3. 3IB
   I built my own second brain software tool▲41

   2021 · joeldare.com

4. 4
   Second Brain for AI▲286

   Persistent memory for Claude, ChatGPT & Cursor. Free.

   May 2026 · github.com

5. 5
   Notion Second Brain▲405

   Organize your entire life with Notion

   2023

6. 6
   Second Brain for Mac and Windows▲247

   Give your team one AI memory. Keep your own private.

   Jul 2026 · thesecondbrain.dev

7. 7
   Second Brain▲20

   Your digital knowledge management system

   2025

8. 8
   Second Mind▲103

   Organize your work & life and make progress on your goals

   2023

9. 9
   Layer ▲1,002

   Brain-Inspired planner

   2024

10. 10
    Second Brain ▲4

    "Organize your life with Second Brain"

    2024

11. 11
    myReach▲285

    Your second brain, powered by AI – ChatGPT for your things

    2023

12. 12
    Kuku: open source▲241

    Your open-source, local second brain for every AI

    May 2026 · kuku.mom

13. 13
    Findr: remember everything▲435

    Unlock infinite digital memory with your (AI) second brain

    2024

14. 14
    Second Brain for Notion▲14

    Transform Notion into your Second Brain

    2024

15. 15
    Second Brain Notion Template▲19

    organization and project management

    2024

16. 16
    Solopreneur Second Brain▲66

    A smarter way to organize your business

    2024

17. 17
    Supreme Second Brain▲77

    Taking notes was never easier than now

    2022

18. 18
    TwinMind: AI Second Brain for Mobile▲228

    Remember meetings, lectures, or your entire life for free

    2025

19. 19
    MindPal▲336

    Dump all your files and chat with them, a real second brain

    2023

20. 20
    Second Brain OS▲4

    Your private Second Brain — offline

    May 2026 · manharanand.gumroad.com

21. 21
    Notion Second Brain▲10

    Second Brain – The Ultimate Productivity System

    2025

22. 22
    Ultimate Brain for Notion▲284

    Tasks, notes, projects, and PARA organization all in Notion

    2022

23. 23
    Second Brain by Hexact▲9

    Your local AI knowledge base

    Apr 2026 · brain.hexact.io

24. 24
    AnyK: Second Brain Assistant▲10

    Your Private Second Brain

    2024

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