Fantasy Hockey League - http://www.fhlonline.com/
League plays weekly head-to-head games using current NHL statistics. Weekly lineup changes and the league produces a yearbook every summer.
CDM Fantasy Hockey - http://www.cdmsports.com/hockey/
Multiple fantasy hockey games to choose. Free and Paid.
National Fantasy Hockey League - http://www.nfhlnetwork.com/
Rotisserie league using statistics and salaries of NHL players to make up teams of 23 players each.
Great Canadian Fantasy Hockey League - http://www.gcfhl.com/
Based in Windsor Canada, and founded in 2001, this keeper league features 16 teams, 25 man rosters, free-agents/waiver wire and head-to-head scoring for an 82 game season plus playoffs.
Ohioville Fantasy Hockey League - http://www.weilandworks.com/ofhl/
A 14-team head-to-head league based in Ohioville, PA. Each season the league champion is awarded the ICEE Cup.
CBS Sports Fantasy Hockey - http://fantasynews.cbssports.com/fantasyhockey
Free and Paid fantasy hockey leagues, both public and private. Several levels of play with prizes.