Transcripts from British speeches (1895 - 2015), categorized by date, speaker, party, and title
Dataset of internal newsletters from the Signals Intelligence Directorate of the U.S. National Security Administration (NSA), released from 2003-2012. Dataset is slowly being released in small batches.
Dataset on more than 1800 U.S. criminal conviction exonerations (beginning in 1989), including information on the individual exoneree and their case
Blog post from Stanford’s Computational Journalism Lab that includes a list of freely available data sources
Repository of data released by San Francisco city and county
Data from numerous Pew surveys
Repository of data related to the Federal Reserve
Historical data on currency exchange rates