Decipher - The game editor
http://lotrtcg.fanhq.com/
DGMA - Tournaments, international rankings and technical articles
http://www.dgma.com/
Hexagonal - The french distributor. French tournaments, rankings and rules
http://www.hexagonal.net/lotr/
Decipher Games - German distributor. News and card search engine
http://www.decipher-games.info/
The Lord of the Rings Online TCG
http://lotrtcg.decipher.com/