Not Just a Second Brain... but your First Brain, Extended.

The Extended Brain is an all-in-one Notion template that organizes your life, enhances your focus, and expands your learning.

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4.9/5 stars from happy customers

The Future of knowledge & Productivity

In a world overflowing with information and A.I., success rewards
those who can learn faster, and cultivate deeper expertise.

The Extended Brain grants you that unfair advantage, to achieve your best work.

Built for learners, by learners

Meet the creators, Mike and Matty. They are both:

  • 🧠 Learning experts and founders of Study Quest

  • 👨‍⚕️ Medical doctors

  • ▶️ Productivity and Self-improvement Youtubers (+1M subs)

  • 🚀 7-figure entrepreneurs

  • 🎖 Notion Certified creators with 170,000+ template downloads

  • 🏆 Top 10 best-selling Notion Template builders

Who better to build you a template than two brothers who nerd about learning and systems. Skip the tedious work, and jump straight to what matters most.

All-In-One System

No more juggling multiple apps and risk missing important information. Organize your books, research, and projects to create focused lists for you or your team.

Enjoy stress-free productivity with proven workflows:

  • GTD®-style processing

  • BASB® inspired databases

  • KonMari Method™ decluttering

Ready to Use, Right Out of the Box

Setup is quick and easy. Find additional support from:

  • Guided step-by-step video tutorials

  • Our Notion Certified team

  • Private Notion community 

    Spend less time learning Notion, and more time working on what matters most.

Plug-and-Play Design

Extended Brain easily rearranges, like Lego pieces, to fit your workflow at any time, no matter what season of life you're in. A true life-long learning companion.

Mix and match between various layouts:

  • student workflows

  • content creator workflows

  • entrepreneur and team management

  • or a hybrid of all the above

User friendly

Whether you're a complete beginner or power user, we have different levels of sophistication to fit your needs. They all run on the same operating system to allow easy switching without disrupting your workflow.

Wall of Love

✺ Frequently asked questions ✺

  • A Notion template is a ready-made layout that you can duplicate in your workspace. Think of it as a starting point or save file that has pre-filled pages and folders for you to start using immediately.
    Extended Brain is designed to “plug-and-play” even if you aren’t familiar with Notion or productivity systems. This way, you do not have to start from scratch.
    After purchase, you will receive a link to duplicate our template into your Notion account (along with detailed instructions).
    We have spent years perfecting our proven layouts and systems into an easy to use template, to save you time and stress. No need for you to learn how to design and code. Just focus on what matters most.

  • Let’s be clear. Extended Brain is much more than just a Notion Template. You're buying a comprehensive package that includes the template, a detailed guide for implementing powerful workflows, and a motivated learning community. Extended Brain isn’t just a digital tool, but a foundation to improve your focus, build better habits, and create a life you love.

  • Extended Brain was made for learning and knowledge workers:

    • students in school

    • taking online courses

    • creators

    • writers

    • entrepreneurs

    • business owners

    • managers

    • coaches

    • consultants

    If you’re a life-long learner, then this was made for you.

  • Absolutely, our template works with Notion’s free plan.

  • We have a 30-Day money back guarantee. Send us an email at support@cajunkoi.com.
    We’ve only had a handful of refunds out of thousands of customers. If you’re not happy, we’re not happy.

  • No prior knowledge is required. Of course, having prior knowledge in Notion will be helpful, but the guided tutorials and support will allow you to get the most out of the Extended Brain, regardless of your starting point.

  • Yes! When you purchase Extended Brain, you gain access to exclusive channels in our Circle community with access to documentation, detailed tutorials, and support.

    You can mingle, share workflows, and even meet your future productivity partners and mentors 😉