ReAnimus Press - Breathing Life Into Great Books

Various tools for writers operated by the ReAnimus Press crew:

Space Travel - A Science Fiction Writer

Footprints on Sand, by L. Sprague de Camp and Catherine Crook de Camp

General:

Critique.org / Critters - The first writers workshop on the web. (Free.)
General Guidelines & Tips on Avoiding Scams
Fixing smart quotes in Word docs

SF in Dimension, by Alexei and Cory Panshin

Galaxy Magazine: The Dark and the Light Years, by David L. Rosheim

The Issue at Hand, by James Blish (as William Atheling, Jr.)

Of Worlds Beyond, by Lloyd Arthur Eshbach, ed.

Heinlein

Having Relationships With Characters on the Road to Great Fiction, by Andrew Burt

Modern Science Fiction, by Reginald Bretnor, ed.

Anthopology 101: Reflections, Inspections and Dissections of SF Anthologies, by Bud Webster

Heinlein in Dimension, by Alexei Panshin

More Issues at Hand, by James Blish (as William Atheling, Jr.)

How To Improve Your Speculative Fiction Openings, by Robert Qualkinbush

The Science Fiction Novel, by Basil Davenport, Robert A. Heinlein, C. M. Kornbluth, Alfred Bester, and Robert Bloch

In Search of Wonder, by Damon Knight

Staying Alive - A Writer