Ad Astra – Toronto’s SFF Convention (Actually in Markham)
Can-Con – Canada’s SF convention, in Ottawa, ON
Nanowrimo – National Novel Writing Month: Local write ins are a great place to meet fellow writers. Mutual support and caffeine abound.
Absolute Write – The Great Grandaddy of writing sites. Skip the main site and go to the forums.
Baen’s Bar – Weird submission system, but offers critique by other writers. YMMV
David Farland’s Daily Kick in the Pants – David Farland’s advice on writing
Terrible Minds – Chuck Wendig’s Blog. Proper kick in the butt for when you need it
Edit Minion – By no means comprehensive, useful for spotting words that are repeated and passive voice
The (Submission) Grinder – Free Market search engine and submission tracker
Ralan – SFF Market information