Wrote That?, a browser extension, for Mozilla Firefox and Chromium-based browsers. using WikiWho. Contropedia is a related "platform for the real-time analysis and visualization of such controversies in Wikipedia". References External links GESIS SSOAR – Social Science Open Access Repository DBK – GESIS data catalogue ZACAT – GESIS online data portal HISTAT – Database Historical Time Series methods - data - analyses (mda) Social Indicators Information Service (ISI) Social science institutes Leibniz Association 1986 establishments in West Germany Research institutes established in 1986