This document summarizes and compares three online collaboration tools: Slideshare, Google Docs, and Dropbox. Slideshare allows users to share presentations, documents, and videos. Google Docs enables creation and sharing of documents, presentations, spreadsheets and other files online. Dropbox provides online file storage and sharing through easy drag-and-drop file organization and sharing capabilities. The document provides an overview of features and use cases for each tool to facilitate online collaboration and file sharing.