Kobo Books free ebooks.
Borders free ebooks
And Barnes and Noble Free ebooks
Also, I just found this site and haven't had the chance to look around much, but it seems there are quite a few ebooks availabilt for free: All Romance
Crush (Karen Vail 2) by Alan Jacobson - If you've been following my free ebooks posts, you've now been able to get all three Karen Vail books for free ;)
Historical Paranormal Romance
A Certain Wolfish Charm by Lydia Dare