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Despite the worldwide domination of a few credit rating agencies, two not-for-profit rating providers announced their alliance. The agencies are Wikirating and Public Sector Credit Solutions (PSCS). They both use crowdsourcing techniques, thus aiming to improve credit ratings. Wikirating employs a technology similar to that of Wikipedia in order to gather and aggregate information and views about credit quality for multiple categories of bonds. PSCS has provided an open source software tool which is used to calculates default probabilities for government bonds. It also has fully transparent sample models and data sets.