IDEAS is the largest bibliographic database dedicated to Economics and available freely on the Internet. Based on Research Papers in Economics (RePEc), which is a collaborative effort of hundreds of volunteers in many countries to enhance the dissemination of research in economics.

the most comprehensive source of global decision-making data in the world

Worldometer is run by an international team of developers, researchers, and volunteers with the goal of making world statistics available in a thought-provoking and time relevant format to a wide audience around the world.