Growth · alternatives · 2026

24 alternatives to Second Brain Labs

Automate your sales, survey & support at scale, using AGI

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Second Brain Labs launched in 2024; newer entries below may have overtaken it.

1. 1
   Second Brain▲281

   Hi HN, I'm Dom, a solo founder. I built Second Brain to solve a common issue I had with AI chats: the knowledge disappears. There’s no structure, no memory, and no way to reuse or build on them. So I built a tool that combines AI chat with a visual, interconnected knowledge system. Key features: - Save AI responses into editable docs (Notion-style Pages). - AI Visual board with multiple content & chat nodes (like Miro meets ChatGPT). - Add and chat with YouTubes, TikToks, Audio, PDFs, GitHub repos, Looms, websites, etc. - Organize using Projects and Smart Tags — then chat with full contexts.…

   2025 · second-brain-lac-ten.vercel.app · its alternatives →

2. 2
   Brainwave▲481

   Automate customer service answers and processes with AI

   2023 · brainwave.so · its alternatives →

3. 3
   Second Brain for AI▲286

   Persistent memory for Claude, ChatGPT & Cursor. Free.

   May 2026 · github.com · its alternatives →

4. 4
   Pebbles Ai▲401

   AI sales platform for modern B2B teams

   Jul 2026 · trypebbles.ai · its alternatives →

5. 5
   Success.ai▲364

   Supercharge your growth with AI-powered cold emails

   2023 · success.ai · its alternatives →

6. 6
   2-b.ai▲416

   Todoist meets ChatGPT inside your browser

   Jan 2026 · 2-b.ai · its alternatives →

7. 7
   YourGPT 2.0▲215

   Today we are launching YourGPT 2.0, an update focused on making support, sales, and operational workflows work together more smoothly in one system. This release improves how workflows are built, how the platform connects to external tools, and how context is maintained across long, multi-channel interactions. AI Studio now makes it much easier to create and refine workflows. You can describe the process you want in natural language and the system generates the full workflow for you. It can also help debug issues by showing what happened at each step and explaining where things went off…

   Nov 2025 · yourgpt.ai · its alternatives →

8. 8
   Chatable▲107

   AI coaching models, the second brain of successful people

   2023 · its alternatives →

9. 9
   Vortn▲164

   Your Company's AI Second Brain

   2025 · vortn.com · its alternatives →

10. 10
    Sales AGI▲135

    Automated AI-generated HubSpot and salesforce updates

    2025 · read.ai · its alternatives →

11. 11
    involve.me AI Agent▲288

    Create and edit interactive funnels by chatting with AI

    2025 · involve.me · its alternatives →

12. 12
    Second Brain for Mac and Windows▲247

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

    Jul 2026 · thesecondbrain.dev · its alternatives →

13. 13
    Second Nature’s AI Simulation▲139

    Training that is enjoyable

    2023 · tryme.secondnature.ai · its alternatives →

14. 14
    MarketOwl.ai▲82

    AI LeadGen for B2B startups via LinkedIn & Email

    2024 · marketowl.ai · its alternatives →

15. 15
    AI Chat ▲102

    Automate your customer support instantly with AI

    2023 · user.com · its alternatives →

16. 16
    Brief on Demand by Amy▲119

    Tap into the power of instant personalized prospect research

    2022 · its alternatives →

17. 17
    Talk▲81

    AI-powered, omnichannel engagement

    2023 · ortto.com · its alternatives →

18. 18
    Backona AI▲80

    Interact with your marketing data through an AI chat.

    2024 · backona.com · its alternatives →

19. 19
    2V ✌️▲67

    An AI-guided tour of your mind

    2023 · 2v.ai · its alternatives →

20. 20
    MindX Service AI ▲60

    Your 24/7 AI agent for customer support

    Nov 2025 · its alternatives →

21. 21
    EyeLevel.ai▲73

    The first native marketing solution for chat

    2018 · eyelevel.ai · its alternatives →

22. 22
    AI Simulation by Second Nature▲64

    Practice your elevator pitch with our cool AI trainer

    2023 · tryme.secondnature.ai · its alternatives →

23. 23
    SynthMind.app▲49

    Grow your business with AI Client Finder.

    2024 · synthmind.app · its alternatives →

24. 24
    AnyK: Second Brain Assistant▲10

    Your Private Second Brain

    2024 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →