www.nofap.com
NoFap® is a comprehensive community-based porn recovery website. We offer all the tools our users need to connect with a supportive community of individuals determined to quit porn use and free themselves from compulsive sexual behaviors. With our website, forums, articles and apps, NoFap helps our users overcome their sexual addictions so they can heal from porn-induced sexual dysfunctions, improve their relationships, and ultimately live their most fulfilling lives. Here is a good description of porn addiction and some help rebooting to rewire the brain. They also have forums and online groups of others who are trying to reboot.
www.rebootnation.org
On this site started by recovering porn addict, Gabe Deen, you will find many resources and information to equip you with the tools necessary to start recovering today and become more aware of the potential harm caused by high-speed internet porn. There are forums and a youtube channel with some helpful videos. Gabe's story is featured in a video produced in New Zealand.