postalk is a tool for putting and moving cards around.
Double-click or Press Enter to create a card.
To move a card, pinch and pull the card.
To color a card, select and press 'C' key
You can move cards together or change their colors. You can also select all cards by pressing Ctrl + A (⌘ + A on the Mac).
Once you get familiar with postalk, why not log in for free?(no registration required.) You can see your boards and history, and find boards easily. Give it a try!