logo logo

Where Ideas Grow

Manage your documents like playing a card game

  • Click here for free trial and paid plans
  • A Google account is required to register
Top image


Line up, sort, structure your intelligence. You may feel like playing a card game.


Write down cards as chatting.

→Writing is hard, chatting is easy.

Keep organized while playing your game.

→Tips for organizing your docs.


Code formula

Markdown, Syntax highlighting, Mathjax

Team communication

Edit with others in realtime. Catch the notifications.

Card handling

Transfer, copy, find them easily.