Gartner Group, Inc. Gartner Group's Web site provides information about its services and its research. Gartner Group is one of the leading research firms in the technology field.
Forrester Research, Inc. Analyses and predicts the effect of technology change on companies and consumers. This is a paid service, although some free technology information is available.
Giga Information Group - GIGA Provides in-depth technological analysis and advice to customers. This is a paid service.