This information portal provides access to free, full-text electronic documents on rural innovation systems. It is a unique entry point for a wide range of Internet sources on the subject, including newsletters, communities, websites, databases, and directories. Rural innovation systems is a new, broad approach aimed at analysing and facilitating the interaction among all factors and actors for generating, diffusing, and utilizing new knowledge for rural development. The rural innovation portal is the latest addition to a family of development portals developed by the Royal Tropical Institute, Amsterdam.