Bunkr is cloud-based presentation software that allows professionals to centralize all the content that inspires them, and to use this content in their presentations.
With MightyMeeting you can manage a library of PowerPoint presentations directly from your smartphone or tablet. You can share them via email, blog, Twitter, or Facebook. You can start or join web meetings directly from your laptop, iPhone, iPad, or an Android phone.
They are building a new communications platform that lets anyone package and share anything on the internet in ways never before possible.
A flowgram combines the advantages of slide presentations and screencasts with an interactive user experience that fully exploits the fact that almost all the information we might ever need is already on the web.
SlideShare is a free service for sharing presentations and slideshows. You can upload your PowerPoint and OpenOffice presentations, tag them, embed them into your blog or website, browse others’ presentations, and comment on individual slides. It’s a great way to share your ideas with others, or to learn from other people. And it’s free.