Reconstruct your knowledge connections
A local-first visual workspace. Integrating infinite canvas, mind mapping, and bidirectional links for deep thinkers.


- 画布
- 数据库
- 标注
- 写作
- 发布




Annotate documents and videos directly
Drop onto the canvas to highlight and capture linked cards.
Read and highlight PDFs on canvas
- Multi-page PDF reading
- Highlights become reference cards

Timestamp video annotations
- Major video platforms supported
- Timestamp cards link to canvas

Read, highlight, and learn on canvas
- Multi-column cards for deep reading
- Highlights sync to the side panel

Type @ to build your knowledge network
- Native Markdown editing experience
- Bidirectional links connect cards automatically
Your data stays in your hands.
Flexnote is fundamentally local-first. Your files are stored natively on your device, entirely under your control. When you want to sync across devices, just plug in your own WebDAV, S3, or OneDrive.
Publish online with one click.
Turn any canvas into an interactive webpage instantly. Share your knowledge base, mind maps, or project flows with anyone via a simple link—no account required for viewers.
- View-only interactive canvas
- Password protection support
- Custom link generation
Smooth as you think. No waiting.
We built Flexnote using a custom rendering engine to ensure your thoughts never have to wait. Handles 10000+ nodes without dropping a frame.
- 60fps Panning
- Millisecond-level Response
- Canvas Rendering Engine
Flexnote for every workflow

Loved by visual thinkers.
Join scientists, researchers, and designers leveraging endless canvases.
Ready to organize your mind?
Join thousands of visual thinkers who have already leveled up their workflow.
