Presentation software makes it easy to polish a weak sequence. Fonts, gradients, and carefully aligned boxes can create the feeling of progress while the actual argument remains difficult to name.
OpenDeck begins with structure. Claims, evidence, transitions, and open questions stay visible as movable parts before they become slides. A deck can still become beautiful, but beauty arrives in service of an order that has already been tested.
The ambition is a calmer collaboration between thinking and presenting. You should be able to zoom out, see the shape of the story, and change it without dismantling hours of layout work.