authorSTREAM is a platform for sharing PowerPoint presentations on the Internet. authorSTREAM makes it easier to share your PowerPoint slideshows through blogs, websites, on YouTube and even via iPOD. What’s best is that it’s all FREE! Just sign-up, upload presentations and start sharing..
SlideServe: SlideServe.com is the easiest way to upload and share your PowerPoint presentations publicly or privately with… See Company Profile »
SlideShare: SlideShare is the world's largest community for sharing presentations. Individuals & organizations upload presentations to share… See Company Profile »
Docstoc: Docstoc is the premier online community to find and share professional documents. Docstoc provides the platform… See Company Profile »
Scribd: Scribd is the largest social publishing company in the world, the Website where tens of millions… See Company Profile »