1. ESL Online Talk Community http://www.rong-chang.com/talk/talksign.htm
Practice makes perfect, but many ESL students do not have opportunities to practice speaking English. This Website is trying to establish an online community to enable learners to practice their English with fellow learners all over the world, anytime you like.
2. ManyThings.org: American English Pronunciation Practice http://www.manythings.org/pp/
It provides 6 sentences each day, and you can listen the sentence and repeat. You can improve your speak tone by this website.
3. English Central http://www.englishcentral.com/
You can record you speaking that you read with the film. And system will tell you which part or sound you should improve. You also can practice the specific pronunciation.