impress.js is described as 'presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com - an "infinite canvas" for your presentation' and is a popular Presentation Maker in the Development category. There are more than 25 alternatives to impress.js for a variety of platforms, including Online / Web-based, Windows, Mac, Linux and Self-Hosted solutions. Most alternatives are Presentation Makers and Code Editors. The best alternative is Microsoft Powerpoint. It's not free, so if you're looking for a free alternative, you could try Prezi or Reveal.js. Other great apps like impress.js are Sozi (Free, Open Source), Marp (Free, Open Source), emaze (Freemium) and hovercraft (Free, Open Source).
Prezi allows anyone who can sketch an idea on a napkin to create and perform stunning non-linear presentations with relations, zooming into details, and adjusting to the time left without the need to skip slides.
The Focusky zooming presentation tool is a creative online presentation maker for Windows & Mac, presenting your multimedia presentation in dynamic and engaging way with zoom and slide effect. It is a better presentation ideas rather than PowerPoint alternative.