Grow my newsletter to 5,000
Swap with similar newsletters
Recommend each other to readers with overlapping interests.
Lead magnet checklist
A one-page checklist that new subscribers get instantly.
Referral rewards
Small rewards for readers who bring in three friends.
Repurpose to LinkedIn
Turn each issue into a short post that links back.
Sign-up on every page
Inline forms on the blog and in the site footer.
Guest on podcasts
Pitch niche podcasts and share a reader-only bonus.
Challenge
Will rewards attract the wrong readers?
Tie rewards to opens, not just sign-ups.
Drag to move · scroll to zoom · tap an idea for actions
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How to use the Brainstorming Board
A mind map that grows — AI suggests, expands and challenges ideas with you.
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Step 1
Enter a topic
A goal, a problem or a question.
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Step 2
Grow the map
Expand ideas you like, challenge the risky ones.
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Step 3
Take it with you
Copy as an outline or download a PNG.
- Free to use
- No sign-up
- Your key stays in your browser
Brainstorm any kind of problem
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Business
Strategy, growth and new revenue ideas.
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Product
Features and improvements to explore.
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SWOT
Strengths, weaknesses, opportunities, threats.
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Problem solving
Possible fixes, then the risks in each.
Brainstorming Board FAQ
Is this AI brainstorming tool free?
Yes, with no sign-up. It runs on your own OpenRouter account; free models cost nothing.
What does Challenge do?
It adds the strongest objection or risk to an idea as a dashed card, so you can test ideas before committing.
Can I add my own ideas?
Yes. Use the plus button to add an idea under the selected one, and edit any card.
Can I save the board?
Every change is saved to your browser's history. Copy it as an outline or download a PNG to share it.
Does it work on a phone?
Yes. Drag with one finger to move around, and use the zoom buttons.