Links to text-to-speech engines

Just found some cool links to (demo) text-to-speech engines, I’d like to share:
http://www.linguatec.net/onlineservices/voice_reader/
http://www.partekk.ch/rapid-elearning/Werkzeuge/SprachsyntheseTexttoSpeech/Acapela/acapelaSprachdemo/tabid/492/Default.aspx
http://www.research.att.com/~ttsweb/tts/demo.php