authorSTREAM - authorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.
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.
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.
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!
PreZentit - Prezentit is an online presentation solution based on JavaScript that comes with new online collaboration tools.
PowerShow - PowerShow is an online presentation software solution that allows you to view and share PowerPoint presentations online with embedded video, audio, image, music, and animations, etc.