authorSTREAM - authorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.
Zentation - Affordable webinar software. Create online presentations with synchronized video and PowerPoint.
Present.me - Present.me - the video presentation platform. Share all your presentation content in one place. Slides, slides and audio, slides and video or just video. No software to install, all you need is your slides, a webcam and YOU!
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.
PreZentit - Prezentit is an online presentation solution based on JavaScript that comes with new online collaboration tools.
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.