Calameo is a free platform where you can publish your magazine, presentations or documents and share them with the world. It also lets you embed rich-media content to your publications like videos and audios.
Docuter is a great tool to manage documents, projects, workflows, shared calendars and many more. You can also use it to store and share your documents online for easy access.
Webpapers lets you store all your papers, exams, lecture notes and research work in one place, and get organized. You can also use it to share and make your documents available to the world.
Share Zoho allows you to browse files based on different file types ( ppt,pdf,doc ) and also collaborate in the form of : commenting. flagging, rating, bookmarking, and chatting.
This is another web tool that lets you lets you upload and share your documents with over 300 web services. You can also connect with other users through private messaging and many more.
Scribd is an awesome online library where you can search for, read, publish, upload and share documents and written words.
7- Eight Free Tools to Share your Slideshows and Presentations
This is a post I have published earlier and where I have reviewed 8 awesome free websites where you can share and publish your docs and presentations. Check them out.