smashwords.com
In short: Getting listed on Smashwords is free. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Publish an ebook and fill in your author profile, including your website.
Publish an ebook and fill in your author profile, including your website.
Books must meet their formatting and content guidelines.
Open the submission page on smashwords.com and complete its form — that is the "Open submit page" link at the top of this page.
Books must meet their formatting and content guidelines.
Priority sets the band — this one is later. Cost (free) and effort (moderate) move it within that band, which puts it in the long tail tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.