BMJ Case Reports:
BMJ journal specializing in clinical cases.
Instructions for authors: To publish without fees in BMJ Case Reports, you must request a code (the Fellowship Code) from the library via The Library responds.

MDPI:
10% discount on APC rates in all magazines of this publisher, for the participation of the UV in the institutional program of this publisher.

A list of current APC charges is available at http://www.mdpi.com/about/apc.
Affiliated authors also receive a 10% discount on charges associated with open access book publishing with MDPI (i.e., book processing charges: BPCs).

PNAS:
Publish in OA paying $350 less in terms of APC fees, as part of the agreement with the distributor.

SAGE:
15% discount on APCs on your Pure Gold OA publications. Updated journals list.