We at Kolibri are making an app that we're very excited about. I can't disclose a lot about the concept or the features quite yet but I can show off some of the UI.
One of the nicer UI patterns we're implementing is a strikethrough to mark something done. Swiping an item will strike through it and fling it to the 'Done space' at the same time.
Remember to show some love by pressing 'L' on your keyboard.
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