Google Scholar - Google Scholar is a freely accessible web search engine that indexes the full text of scholarly...
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Scinapse - Scinapse is a free, nonprofit, Academic search engine for papers, serviced by Pluto Network.
Clever - syncing between education applications for K-12 schools
SemanticScholar - An academic search engine that utilizes artificial intelligence methods to provide highly relevant results and novel tools to filter them with ease.
Claroline - Claroline is a collaborative eLearning and eWorking platform.