OpenCongress - Issues Area: OpenCongress is a free and open-source project of the Participatory Politics Foundation.
THOMAS Catalog of Legislation: THOMAS makes federal legislative information freely available to the public. Users can find Bills, Resolutions, Public Laws, congressional Records, and much more.
USA.gov: A great resource to research across government departments and agencies for publications, reports, and statistics.
ClinicalTrials.gov: Provides patients, family members, health care professionals, and members of the public easy access to information on clinical trials for a wide range of diseases and conditions.
National Registry of Evidence-based Programs & Practices: A searchable online registry of mental health and substance abuse interventions that have been reviewed and rated by independent reviewers.
National Guideline Clearinghouse: NGC is a public resource for evidence-based clinical practice guidelines.
Evidence-based Practice Resources from Social Work Policy Institute: The Evidence-Based Practice Resources section provides tools that can be used to identify EBPs, online resources that can inform the EBP process and a list of publications for further information
Social Programs That Work: This site summarizes the findings from well-designed randomized controlled trials that, in their view, have particularly important policy implications.