Specialized Search Engines
- Non-governmental Organization SearchA custom Google search of non-governmental organization websites.
- Intergovernmental Organization SearchA custom Google search of intergovernmental organization websites.
- Think Tank SearchA custom Google search of over 670 think tanks.
- Candid: Issue LabExplore and access free research about critical social issues from social sector organizations around the world.
- Find PolicyA project of Transparify, searches the top think tanks within various sectors.
- American Policy DirectoryFind think tanks and organizations which relate to your area of interest (created by the University of Oregon Libraries).