Oracle WebCenter Suite vs SharePoint

Oracle WebCenter Suite
Oracle WebCenter is the user engagement platform for social business—connecting people and information. It brings together the most complete portfolio of portal, web experience management, content, social, and collaboration technologies into a single integrated product suite, and it provides the foundation for Oracle Fusion Middleware and Oracle Fusion Applications to deliver a next-generation user experience.
SharePoint's multi-purpose platform allows for managing and provisioning of intranet portals, extranets and websites, document management and file management, collaboration spaces, social networking tools, enterprise search, business intelligence tooling, process/information integration, and third-party developed solutions. SharePoint can also be used as a web application development platform. SharePoint alternatives for small business are: Office 365, Box, G Suite, Zoho. There are also free open-source alternatives to Sharepoint - Alfresco, Nuxeo, Liferay Portal.
Face to face in the news:

2009 - SharePoint Foundation 2010 – the new name for WSS to stand out over Oracle WebCenter Suite

SharePoint Foundation 2010
The suite of Web-services for creating collaborative websites Windows Sharepoint Services (WSS) is renamed to SharePoint Foundation 2010. What has changed in the new version? For users - it's a new Ribbon-interface (like in Office 2007) with extensive use of Ajax and Silverlight technologies. Improved customization allow to build branded sites. Of course, the new version SharePoint Foundation 2010 is designed for use in conjunction with the upcoming Office 2010 and a new offline client SharePoint Workspace 2010 (former Groove, which was a part of MS Office). The new version will be especially useful for administrators as it contains a lot of new administrative tools. In particular, SharePoint Health Analyzer (which monitors the state of the Sharepoint-server), sandbox for websites and Windows PowerShell - new command-line interface. Developers will utilize Business Connectivity Services which enable to easily integrate Sharepoint with other business applications.