Directories

• Librarians' Internet Index
• The Internet Public Library
• Google Directory
• Yahoo! Directory
• Open Directory Project
• USA.gov

Meta-Engines

• Metacrawler
• Dogpile

Search Engines

• Google
• Cuil
• Boolean Searching on the Internet

News Sources

• World News Network
• Google News

Organizations, Associations, Charities, Foundations, Policy Centers, and Think Tanks

• Google Directory: Organizations
• Internet Public Library: Associations on the Net
• Think Tanks and Policy Centers
• Charity Navigator

Blog Engines

• Technorati
• Google Blog Search
• Best of the Web Blog Directory
• Healthcare 100
• ScienceBlogs

Evaluation Resources

• Webby Entries: Judging Criteria
• Information Fluency: Blog Assessment