The Crowd Counting Consortium (CCC), a joint project of Harvard Kennedy School and the University of Connecticut, collects publicly available data on political crowds reported in the United States, including marches, protests, strikes, demonstrations, riots, and other actions. 
Barna Group provides spiritual influencers with credible knowledge and clear thinking, enabling them to navigate a complex and changing culture. 
ARDA (Association of Religion Data Archives) contains a wide variety of statistical data, historical timelines, tools for congregations, and data analysis. Supports graphing tools and mapping. 
ALEX is the database of congregations currently and historically affiliated with the Christian Church (Disciples of Christ) in the United States and Canada. ALEX contains participation and stewardship data for these congregations since the calendar year 2000. It also provides the authoritative list of the 2,900 congregations currently in covenant relationship with the Disciples.