authorSTREAM - authorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.
PreZentit - Prezentit is an online presentation solution based on JavaScript that comes with new online collaboration tools.
Zentation - Affordable webinar software. Create online presentations with synchronized video and PowerPoint.
VCASMO - VCASMO is a multimedia presentation solution for photo and video slide shows, business presentations, training, academic teaching, sales pitches, and seminars.
projeqt - With Projeqt, your presentations never remain static. Pull in live tweets or blog feeds, insert an interactive map, add audio notes or stream videos. Let your presentations be as dynamic as you are.
Powerpoint Online - Collaborate for free with an online version of Microsoft PowerPoint. Save presentations in OneDrive. Share them with others and work together at the same time.