Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.

Solaris Sky Calendar - An astronomy calendar right in your pocket

Slidebean - Presentations that design themselves

Sundial App - Sun & Moon times and alerts for iPhone, iPad, & Apple Watch

Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.

Alpenglow - Never miss a incredible looking sunrise or sunset again