exchange ideas & share knowledge, Free on-demand video lectures from world's leading and prominent scientists, research institutions, EU research projects.
Finding free accommodations around the world. "We strive to make a better world by opening our homes, our hearts, and our lives. We open our minds and welcome the knowledge that cultural exchange makes available. We create deep and meaningful connections that cross oceans, continents and cultures. CouchSurfing wants to change not only the way we travel, but how we relate to the world!"
AnarchistU brings together those who want to share their passion and interest in something and those who want to learn about it. We try to build free education that works against the traditional power hierachies of institutions and teacher/student relationships.