I've been meaning to make some slides using Sketch 3. I really grew to like Google Presentations, but I like Sketch 3's interface; it is faster, and more free-form, allowing me to craft slides up-to-down, but also left-to-right, so I can flesh out certain ideas, then specify the ordering using the SVG layers themselves.

Here's what the Template looks like:

And you can download them here:

Download Sketch3 Slides Template