Some important links that I have found useful as well as services out there:
The Writing Soldier by Robert N Stephenson – Ebook copies still available. An excellent tool for those who want to be published.
Macmillan Publishers US Submission Policies – MacMillan has an open submissions policy. Have a read and see if it suits you.
Pages for iPad – What I do most of my writing when on the go with.
Scrivener – What I use when writing on my laptop, used most of the time.
Andromeda Spaceways Inflight Magazine – An Australian based magazine chock full of stories form home and abroad.
Hemingway – A great tool to run a draft through to pick up on adverb usage etc.
Cohesion Press – Small Press Publisher run by Geoff Brown.
SA Writers Centre – What it says.
Satalyte Publishing – Small Press Publisher, open to submissions from time to time.
Clarkesworld Magazine – SF & F magazine