Pegana d20 (d20)
Lord Dunsany's classic "The Gods of Pegana"¸ adapted for d20 systems like Dungeons & Dragons and Pathfinder. This booklet assigns alignment and domains to the original gods of Pegana¸ plus one god taken from Lovecraft (for lack of a suitable Chaotic Evil god).
This provides a complete pantheon based on the public domain works of Lord Dunsany¸ a great influence on Lovecraft¸ and pioneer of modern fantasy. The source text is available from Project Gutenberg. The work in this book is Creative Commons and Open Game License¸ so you are free to re-use it¸ adapt it¸ and so on.
Available as EPUB and PDF.