Niche Search Engines: 100 of Them

"100 Useful Niche Search Engines You’ve Never Heard Of"
College@Home

They're divided into categories:

• Extracurricular
• Quick Answer Guides
• City Guides and Travel
• Shopping Search Engines
• Business
• Academic and Reference
• Social Media and People
• Multisearch
• TV, Video and Radio
• Medical Students and Health Search
• Law Students
• Metasearch and Megasearch Engines
• Photos, Images and Visual Search Engines
• News Searches
• Jobs and Real Estate

Happy searching!