AI · alternatives · 2026

24 alternatives to Second Intelligence

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Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Second Intelligence launched in 2022; newer entries below may have overtaken it.

1. 1
   Q&A Master▲113

   AI that answers all your questions from your knowledge base

   2023 · yourgpt.ai · its alternatives →

2. 2
   Briefy▲710

   Your AI knowledge assistant

   2024 · briefy.ai · its alternatives →

3. 3
   June AI▲565

   Answer product questions using English

   2023 · june.so · its alternatives →

4. 4
   HelpKit AI▲329

   Supercharge your Notion knowledge base with AI

   2023 · helpkit.so · its alternatives →

5. 5
   Question Base▲453

   Turn Slack into a knowledge base with generative AI

   2023 · questionbase.com · its alternatives →

6. 6
   Knowlery AI▲107

   To explore the how and why rather than a focus on the answer

   2023 · its alternatives →

7. 7
   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 →

8. 8
   myReach▲285

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

   2023 · myreach.io · its alternatives →

9. 9
   Eve.▲112

   AI powered second brain for Notion

   2023 · notesbyhugh.gumroad.com · its alternatives →

10. 10
    ContextClue▲76

    AI Knowledge Base to Boost Your Business

    2023 · context-clue.com · its alternatives →

11. 11
    Learn About▲210

    AI-powered companion for educational research

    2024 · learning.google.com · its alternatives →

12. 12
    QuizRise▲194

    AI assistant for educators and learners

    2024 · quizrise.com · its alternatives →

13. 13
    Chat2Course▲86

    Create custom courses with AI-powered personalization

    2023 · its alternatives →

14. 14
    Web Companion by Super▲180

    Context-aware AI assistants in any web app

    2025 · slite.com · its alternatives →

15. 15
    AI Answers to Interview Questions 🤯▲144

    Insanely relevant answers from a GPT-3 based AI

    2022 · hirestack.ai · its alternatives →

16. 16
    Gems▲149

    Connect your knowledge from Notion, Google, Microsoft & co

    2023 · gems.so · its alternatives →

17. 17
    ContextGram▲88

    Transform Your Email Experience With Contextual Intelligence

    2025 · its alternatives →

18. 18
    PeerAI▲80

    Empowering education - personalized learning through AI

    2023 · peerai.org · its alternatives →

19. 19
    AI Questions Generator▲100

    Generate questions from any text or topic

    2023 · opexams.com · its alternatives →

20. 20
    Answer Lens▲101

    Quick answers from images using AI

    2024 · apps.apple.com · its alternatives →

21. 21
    Wondering▲118

    Build the right thing with AI-powered user interviews

    2023 · domaineasy.com · its alternatives →

22. 22
    Chatable▲107

    AI coaching models, the second brain of successful people

    2023 · its alternatives →

23. 23
    Second Brain Labs▲97

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

    2024 · sbl.so · its alternatives →

24. 24
    Quizify Beta▲72

    Create quizzes in seconds with AI

    2023 · quizify.xyz · 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 →