Pride of place goes to that oldest and still most important of all student resources:
Academic Calendar at Missouri State
This links below are a collection of resources for my students. While some are research tools and helps of various kinds, others present arguments for various positions on issues. A few are just for fun. Inclusion of a link does not necessarily mean I agree with its perspective, but that I find it worthwhile, thought provoking, and suspect that some of my students will as well.
Web resources--like every other source--should be used critically. Some excellent criteria can be found on the Evaluating Web Resources page of the library site at Sonoma State University.
You can begin to search all kinds of ancient texts and the web by clicking on the "Search Anything" link.