Access Services : Enables users to view, edit, and interact with Microsoft Access databases in a Web browser.
Application Registry Service : Enables users to search and collaborate around business data.
Business Connectivity Services : Enables structured data from line-of-business applications, such as SAP and Siebel systems, to be integrated into SharePoint Server "14".
Excel Services : Enables users to view and interact with Microsoft Excel spreadsheets in a Web browser.
Lotus Notes Connector : Enables users to search data on a Lotus Notes server.
Managed Metadata Service : Enables teams or departments to manage their own taxonomy, hierarchies, keywords, and social tagging infrastructure, so that, for example, taxonomies and content types can be shared across the organization (across site collections and web applications)
People : Enables users to search for people within their organization to, for example, find skills, memberships within enterprise communities, and shared interests.
Performance Point Service : Balanced scorecard and dynamic dashboard tool that allows power users/IT to create dynamic and highly interactive dashboards that display strategy to operations. Performance Point Services allows you to combine multiple data sources, and objects providing a single view of the business.
Search Service Application : Enables user to index content, gather information, and perform search queries.
Secure Store Service : Enables users to store data securely, and associate it to a specific identity or group of identities.
State Service : Enables users to temporarily store user session data for SharePoint Server "14" components.
Usage and Health Data Collection : Collects farm-wide usage and health data, so that users can view usage and health reports.
Visio Graphics Service : Enables users to view and refresh published Visio diagrams.
Word Conversion Service Application : Enables users to perform automated bulk document conversions.
References : http://sharepoint-sandbox.com