CoolToolsforSchools is an exceptional site with resources for online learning. It has links to literally hundreds of educational tools for teachers and students. If you are looking for video tools, presentation tools, content resources, almost anything - this site is for you. It won the 2011 Merlot Award for Exemplary online learning resources. Each resource has a brief description and if it is an "app" it tells you whether it is free or has a cost.