Need to cite some sources or get some writing advice? Checkout the Purdue OWL! "The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue."
This site is "a web-based literacy program for boys founded by author and First National Ambassador of Young People’s Literature Jon Scieszka. Our mission is to help boys become self-motivated, lifelong readers."
The Freerice website helps you practice vocabulary while also being philanthropic. Every time you get a correct answer you donate rice to the United Nations World Food Program. Improve your mind, and improve the world, all at the same time!