Custom Search Engines
Custom search engines narrow your focus and eliminate quite a bit of the extra information usually contained in search results. Use these resources to find custom search engines or use the specific custom search engines listed below.
CustomSearchEngine.com. This listing includes many of the Google custom search engines created.
CustomSearchGuide.com. Find custom search engines here or create your own.
CSE Links. Use this site to find Google Coop custom search engines.
PGIS PPGIS Custom Search. This search engine is customized for those interested in the "practice and science" of PGIS/PPGIS.
Files Tube. Search for files in file sharing and uploading sites with this search engine.
Rollyo. "Roll your own search engine" at this site where you determine which sites will be included in your searches.