I crossed out everything that's now showing non-free for me in Canada and here are a few more:
Neptune's Orphans sf short story by Sarah A. Hoyt, tie-in to her award winning novel
Darkship Thieves
My Ride with Gus literary fiction novel by Charlie Carillo (2 previous Kensington-published litfic freebies)
7 assorted erotica by Selena Kitt, who co-authored one of those previous Blake Crouch freebies
2 Smashwords self-pub by backlist authors, available to all:
Christmas in Time time-travel romance novella by Kensington-published cozy mystery & romance author Peggy Webb
In Too Deep firefighter contemporary romance novella by Harlequin/Berkley-published Kathryn Shay