Prezi
Freemium
Prezi is a visual storytelling software and alternative to traditional slide-based presentation formats.
Google Drive - Slides is to create, edit, and collaborate with others on presentations.
Microsoft Office Powerpoint
Commercial
Microsoft PowerPoint is a presentation program currently developed by Microsoft.
Compare iWork - Keynote with alternatives
Compare Prezi and iWork - Keynote and decide which is most suitable for you.
Compare Microsoft Office Powerpoint and iWork - Keynote and decide which is most suitable for you.
Compare Google Drive - Slides and iWork - Keynote and decide which is most suitable for you.