Data Rescue Project: Clearinghouse for data rescue-related efforts and data access points for public US governmental data that are currently at risk; led by IASSIST, RDAP, and the Data Curation Network. Excellent starting point when hoping to locate a removed or vulnerable dataset. 

Find Lost Data: Search for datasets across various sites including the Data Rescue Project, Harvard's data.gov mirror, Internet Archive's CDC datasets, and more. From Boston University's Center for Health Data Science. 

End of Term Web Archive: Captures and saves U.S. Government websites at the end of presidential administrations. The EOT has preserved websites from administration changes in 2008, 2012, 2016, and 2020 and is accepting URL nominations for the End of Term 2024 Web Archive.

GovDiff: Tool built by Ben Borgers and Jerome Paulos at Hack@Brown 2025 to compare government websites before and after the 2025 inauguration.

Gov Archive.US: Standalone mirror sites from US Government archived around the end of Biden’s and start of Trump’s presidential administrations, as part of the End of Term Web Archive; focus on complex and interactive websites.

Internet Archive Wayback Machine: Snapshot of internet crawls; search by URL to view captured versions of a website.

Policy Commons: Open Collection: Materials from government organizations facing the removal from the Web. Includes public information and data such as reports, blog posts, videos, and podcasts. Date range: 1909-2025.

ICPSR DataLumos: Repository for archived copies of public government data; accepts requests for dataset preservation. 

Harvard Law School Library Innovation Lab: Mirror of Data.gov, federal Github repositories, and PubMed to preserve U.S. federal public data.

Social Explorer: Library-subscribed database with data preserved from the U.S. Census Bureau, CDC, FBI, National Historical Geographic Information System as well as other government and commercial bodies. Request to have a dataset preserved.

Immigration & Detention Data

• TRAC: Transactional Records Access Clearinghouse
  • Email Sign Up for additional context regarding data access and data clarity 

Heath, Climate & Environment Data

• CDC datasets (Internet Archive)
• Covid.gov archive
• RestoredCDC.org & Data.restoredcdc.org
• Environmental Data and Governance Initiative - EDGI
• Public Environmental Data Project
• Open Energy Data Initiative (Dept. of Energy Data)
• Climate Mirror Project