SHORT STORY ANTHOLOGIES
Classic Shorts - This is a collection of short stories by classic authors.
The collection is smaller than the above link, but it includes the "cream of the crop".
American Literature - This is a very large collection of American authors, some of which weren’t featured on the previous two websites (like Lovecraft).
WRITING TIPS AND RESOURCES
Creative Writing Now - Excellent resource for tips and advice, but most valuable for the creative writing prompts.