$summary
This looks like a nice replacement. http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html
I think this one can be closed: eix sys-libs/db gives the site suggested by Mike, http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html
commit c1fc57836368bfce5a16cdb08e021cbf275ac200 Author: Lars Wendler <polynomial-c@gentoo.org> Date: Tue Oct 25 15:13:38 2016 sys-libs/db: Fixed homepage (old one returned 404). Package-Manager: portage-2.3.2 Signed-off-by: Lars Wendler <polynomial-c@gentoo.org> Didn't know about this bug report and thus didn't add the bug number to the commit message...