Spider Gwen sale from Marvel, today only.
https://www.comixology.com/Spider-Gwen-Sale/page/8814
Comixologist podcast freebie is Outer God #1 with code OUTERPOD.
https://www.comixology.com/Outer-God...l-comic/290301
https://www.comixology.com/redeem
Women of Indie Comics sale ends 11/15/15. 137 different items are half price with code CREATE.
https://www.comixology.com/Women-of-...Sale/page/8734
Comixology has a Get to Know Dark Horse sale until 11/15/15, everything will be much cheaper at Dark Horse proper of course.
https://www.comixology.com/Get-to-Kn...Sale/page/8809
Same sale at Dark Horse, but again, will be even cheaper next week in one of their annual sales.
https://digital.darkhorse.com/genre/245/
Another sale from Aspen, this one four bundles at 75% off, ends 11/15/15.
https://www.comixology.com/Aspen-Ess...Sale/page/8808
Google is apparently going to update a list of freebies every Thursday.
https://play.google.com/store/books/..._comics_launch