From: http://people.redhat.com/sgrubb/libcap-ng/index.html
Latest release at: http://people.redhat.com/sgrubb/libcap-ng/libcap-ng-0.6.1.tar.gz

And a white paper at:
https://fedoraproject.org/wiki/Features/LowerProcessCapabilities

(from redmine: issue id 95, created on 2009-07-28, closed on 2010-07-08)

• Changesets:
  • Revision f7900a9f on 2010-07-07T13:27:40Z:

testing/libcap-ng: new aport

posix capabilities library
http://people.redhat.com/sgrubb/libcap-ng/index.html

fixes #95

• Revision e349765e on 2010-07-07T14:18:56Z:

main/libcap-ng: moved from testing

fixes #95