General Resources:
Philpapers
Stanford Encyclopedia of Philosophy
The Philosophical Gourmet Report
Blogs:
Crooked Timber
Leiter Reports
PEA Soup
Philosophy, et cetera
Writing:
Improving Academic Writing, by Jonathan Bennett and Samuel Gorovitz.
Politics and the English Language, by George Orwell.
A guide to punctuation, by Larry Trask.
Common Mistakes in English Usage, by Paul Brians.