- Center for the Study of Social Policy
- Center on Budget and Policy Priorities
the Center conducts research and analysis to help shape public debates over proposed budget and tax policies and to help ensure that policymakers consider the needs of low-income families and individuals in these debates.
OpenCongress is a free, open-source, not-for-profit, and non-partisan public resource website. It brings together official government data with news coverage, blog posts, public comments, and more to give you the real story behind what's happening in Congress.
The Center for Responsive Politics is an independent, nonpartisan, nonprofit research organization that tracks money in U.S. politics and its effect on elections and public policy. The Center, with its Open Secrets site, aims to create more educated voter, an involved citizenry and a more transparent and responsive government.
- Pew Research Center
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research.
- Policy Archive
Policy Archive is an open digital archive of foundation-funded and other public policy research.
- Rand Croporation
Rand is a non-profit organization. More than 10,000 RAND reports and commentary are available online.
- Stateline (from Pew)
Nonpartisan, nonprofit news service of the Pew Charitable Trusts that provides daily reporting and analysis on trends in state policy.