Your thoughts
aren't linear.
Why are your notes?
An infinite canvas where ideas live in space, not in a hierarchy. For students, researchers, writers, and anyone who actually thinks.
Your thoughts on canvas,
written in markdown
Organize spatially, write naturally. The best of both worlds.
Think spatially
Your brain doesn't organize thoughts in folders. Why should your notes? Drop ideas anywhere on an infinite canvas and connect them visually.
Draw by hand
Sketch diagrams, annotate screenshots, or just doodle while thinking. Some ideas need to be drawn, not typed.
AI that helps
Summarize long notes, generate study materials, or brainstorm with GPT, Claude, Gemini, or Groq. It's there when you need it.
Bring your own API key
Plug in OpenAI, Anthropic, Google, or Groq directly. Pay your provider for tokens — we don't resell. Your key stays encrypted on your machine.
Write in markdown
Code blocks, math equations, tables. If you can think it, you can write it.
More than markdown
Turn any note into a kanban board, a calendar, or a flashcard deck — and switch between formats anytime. Same files on disk, different ways to see them.
Free and local-first
Local mode is free forever with unlimited storage — your notes are just files on your disk. Cloud sync is an opt-in paid extra, not a requirement.
Built for speed
Search thousands of notes instantly. No lag, no loading. Just fast.
Yours, no lock-in
Plain markdown files on your disk. Open them in any editor, back them up your way, export anytime. We can disappear and your notes stay.
Who uses Brainstormd?
Anyone who needs to think clearly and organize complex ideas.
Students & Researchers
Map out complex topics, connect concepts visually, and generate study materials with AI.
Writers & Creators
Outline stories, brainstorm ideas, and see your entire project at once.
Engineers & Designers
Diagram systems, sketch interfaces, and document technical knowledge.
Vim and Emacs keybindings
Switch to vim or emacs mode and edit the way you already do everywhere else. Or stick with the defaults — both work out of the box.
Pricing that makes sense
The core app is free forever. Pay only for cloud sync and unlimited AI.
Free · Local
No account required. Bring your own API key.
- ✓AI-powered suggestions
- ✓Visual brainstorming
- ✓Smart study tools
- ✓Custom themes
- ✓Zero configuration
- ✓Unlimited local storage
- ✓BYOK plain chat (OpenAI, Claude, Gemini, Groq)
- ✓No account required
- –Cloud sync across devices
- –Agent mode (canvas agent, vault chat)
Pro
Cloud sync across devices.
Save $6/year
- ✓AI-powered suggestions
- ✓Visual brainstorming
- ✓Smart study tools
- ✓Custom themes
- ✓Zero configuration
- ✓1 synced vault
- ✓Cloud sync across devices
- ✓Version history (30 days)
- ✓BYOK plain chat (unlimited)
- ✓200 agent requests / month
Premium
More storage, more vaults.
Save $20/year
- ✓AI-powered suggestions
- ✓Visual brainstorming
- ✓Smart study tools
- ✓Custom themes
- ✓Zero configuration
- ✓3 synced vaults
- ✓Cloud sync across devices
- ✓Version history (60 days)
- ✓BYOK plain chat (unlimited)
- ✓1,000 agent requests / month
Unlimited
For power users with large vaults.
Save $30/year
- ✓AI-powered suggestions
- ✓Visual brainstorming
- ✓Smart study tools
- ✓Custom themes
- ✓Zero configuration
- ✓Unlimited vaults
- ✓Cloud sync across devices
- ✓Version history (365 days)
- ✓BYOK plain chat (unlimited)
- ✓5,000 agent requests / month
Stop organizing.
Start thinking.
Download for free and start thinking more clearly.
Works offline
No internet? No problem. Your notes stay on your device.
Your data is yours
Plain markdown files. Export anytime. No lock-in.
Fast as hell
Search 10,000 notes instantly. Native performance.