Beyond PowerPoint & Keynote: The 20 Best Apps to Create and Share Presentations | Tips, Tricks and Technology How To's |

From school classrooms to Apple product launches, slideshow presentations have quickly become the standard accompaniment to lectures. You can't give a speech without a slideshow, it seems. And they all feel same. Presentations are dominated by Microsoft PowerPoint and Apple Keynote, apps that are all but omnipresent.

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