Web As Desktop

ThinkFree now allows you to manage MS Office documents (MS Word, MS Excel spreadsheets, MS PowerPoint presentations) saved on your ThinkFree Online account from your Android-based, Windows Mobile-based or iPhone smartphone. You can create a MS Office-compatible document without the Office software installed on your smartphone.
 
The service allows you to create, collaborate on and store [...]

Spresent is free Web-based alternative to PowerPoint, built with Flash. Create and edit high-quality Flash presentations online. You can send presentations via e-mail or publish on your web site or blog.
Spresent

SlideShare is the world’s largest community for sharing presentations on the web.
SlideShare allows you upload PPT, PDF and OpenOffice presentations without make an account. The file size limit is 30MB and it’s easy to upload multiple files. You can view the presentation in a Flash player that doesn’t support keyboard shortcuts or switching to a [...]

Google Docs became even more powerful by adding an application to create presentations. The Official Google Blog just announced the addition of presentations to Google Docs. From the blog:
Starting today, presentations — whether imported from existing files or created using the new slide editor — are listed alongside documents and spreadsheets in the Google Docs [...]

As your starting point for the tools suite, your homepage will show all of the programs available, as well as your recent documents, tasks, templates and more. You can view your saved items and continue working from where you left off. Your dashboard is always accessible at assist.entrepreneur.com.
Never lose a favorite article again. The add [...]

The SplashCast service enables anyone to create streaming media ‘channels’ that mix together video, music, photos, narration, text, as well as RSS feeds, PowerPoint presentations and PDF documents. These user-generated channels can be played and easily syndicated on any web site, blog, or social network page. When channel owners modify their channel, their content is [...]

Create professional quality presentations using an ultra-fast Ajax user interface.
Access your presentations from any computer with an Internet connection and a modern browser.
Reuse images or the content of entire slides from easy to use galleries.
Save time and reduce headache by collaborating on a centralized web document.
Distribute presentations to clients and colleages without having to email [...]

Create and share presentations online
Access, import, and edit presentations from anywhere.
Build and edit presentations on-the-fly using WYSIWYG editor.
Import Microsoft PowerPoint(.ppt, .pps) or OpenOffice Presentation(.odp, .sxi).
Share your presentations with your friends/colleagues/customers in private (or) make it public for all.
Maintain multiple versions of your presentations and track the changes.
Draw diagrams and flowcharts using Zoho Show Draw toolbar. [...]

With Thumbstacks.com, you can make presentations – like slideshows, or outlines – right in your web browser. When you’re done, you can share your presentations with anyone, anywhere, just by sending them a link.
It all runs right here, in your web browser. No downloads or installations. You can create your presentation, save it, modify it, update [...]