The Center for Responsive Politics is a non-profit organization based in the United States that focuses on tracking money in politics and its effect on elections and public policy. It operates the website OpenSecrets.org, which provides detailed information about campaign finance, lobbying, and the financial interests of politicians. Founded in 1983, the Center aims to promote transparency and accountability in government by making data about political contributions and expenditures accessible to the public. Its research helps citizens understand the influence of money on political decisions and encourages informed participation in the democratic process.