Chat:

• DaiNam Community Network
  Postcard, Chat, Music, Forums
• SongQue Entertainment Network
  Free Email, Homepage, Ecard, Messenger, Forum, Music, Mp3, Chat
• VietCity Community  
  Mp3, Lyrics, Poems, Photos, Forum, Postcards,

• VietChat 
  By VietMedia

• VietnamHost Chatrooms
  Chat with people in VietNam
• Vietroom.com
• VNchatline 
  Non-profit organization. Chatrooms, Poem board, Music lyrics and discussions areas.
• Worldviet
  Forum, Entertainment, Poems, Chat, Music, Mp3

Chat software:

• Instant Messenger 
• ICQ.com 
• mIRC