AppEngine
- a developer platform hosted on the cloud.
• Initially supported  Python, Java was added later.
• The database for code development can be accessed with
GQL (Google Query Language) with a SQL-like syntax.
•Google Co-op
- allows users to create customized search engines
based on a set of facets/categories.
•Google Drive
- an online service for data storage.
•Google Base
- allows users to load structured data from different
sources to a central repository, a very large, self-describing, semi
structured, heterogeneous database .