PASOS is a network of 57 independent think-tanks in Central and Eastern Europe and Central Asia. 

PASOS promotes and protects open society values, including democracy, the rule of law, good governance, respect for and protection of human rights, and economic and social development, by supporting entities that individually and jointly foster public participation in public policy issues at the European Union level, in other European structures, and in the wider neighbourhood of Europe and Central Asia.

More: http://pasos.org/