Dictionaries
http://www.hmongdictionary.com/
Forums
http://forums.hmoob.com/
http://www.hmongza.com/index.php??s=95f1d1d41eec60656d5f1b8f3889e976
http://forum.tojsiab.com/index.php?
http://hmongthoobntiajteb.forumakers.com/forum
Lessons/Courses
http://www.youtube.com/user/learnhmonglessons
News
http://www.youtube.com/user/suabhmongradio/videos (videos)
Radio
http://www.shrdo.com/ (also has news in English, and more)
http://www.blogtalkradio.com/suabhmongradio (same station as above but with links to previous episodes and upcoming episodes info)
Socializing
http://www.zoosiab.com/ (also has music, a chat room, and many useful tools)