📰 News

Blu-ray.com
The #1 portal for Blu-ray news, reviews, and catalogue database. Includes a forum of many Blu-ray related discussions.
www.blu-ray.com

Bluray-disc.de
German language Blu-ray portal for news, reviews, and forum discussions.
https://bluray-disc.de/ 

💻 Homebrew & Self-Authoring

Blu-Play.com
Dedicated website for BD-J hombrew games with tools and tips n' tricks.
blu-play.com

Doom9
#1 source for Blu-ray/DVD authoring tips and discussion.
https://forum.doom9.org/

📘 Official Blu-ray Websites

Blu-ray Disc Association
Just an introduction website about the basics and benefits of Blu-ray movies
https://us.blu-raydisc.com/

Blu-ray Disc Association Licensing Office
Official info for professionals who are interested in licensing Blu-ray technology
https://blu-raydisc.info/

Blu-ray Disc Association Japan
The Japanese website for Blu-ray, featuring...Blu-ray-chan.
http://www.jp.blu-raydisc.com/ (Archived)