Wifi filtering on your network:
OpenDNS - https://www.opendns.com/home-internet-security/

Safe Browser for phones and computers:
K-9 Browser - http://www1.k9webprotection.com

APP Review Site (plus other things):
Common Sense Media - https://www.commonsensemedia.org/app-reviews

Parent Resources:
http://m.kidshealth.org/teen/safety/safebasics/internet_safety.html
http://www.connectsafely.org
https://www.fosi.org
http://www.netsmartz.org