Net Nanny (Windows and MAC)
https://www.netnanny.com/products/?pid=3&adpos=1t1&creative=87857814622&device=c&matchtype=e&network=g&gclid=CIOtyYaOu80CFdWGaAodrJUDOg

WebWatcher (Iphone , Android , Windows and MAC)
http://www.webwatcher.com/

McAfee Safe Eyes (MAC and Widows)
http://www.internetsafety.com/

Witigo Parental Filter (Android ,MAC and Widows)
http://www.witigo.com/

ContentBarrier (MAC)
https://www.intego.com/contentbarrier

SentryPC (Windows)
http://www.spytech-web.com/sentrypc.shtml

Qustodio (Windows, Mac , Android, iOS, Kindle and Nook.)
http://parental-software-review.toptenreviews.com/cybersitter-review.html

Verity (Windows)
http://www.nchsoftware.com/childmonitoring/