This site is run by the charity International Children's Digital Library Foundation. Their aim is to prepare children for life in an ethnically and culturally diverse world by building the world's largest online multicultural repository of children's literature.
Their online library can be accessed for free in 11 languages. The books are available as a series of scanned pages and the whole book is available.
The Australian Network Study English site includes IELTS preparation. There is a series of English-language programmes for intermediate to advanced learners and their content draws on authentic material that students can watch, read and listen to plus study notes, tips and activities for practice and consolidation.