Text to speech engine for good quality English and other languages. GPL

freshmeat.net: "eSpeak is a compact text to speech engine for good quality English and other languages. Its clear articulation and good intonation makes it suitable for listening to long text articles. It can speak text files from the command line, and also operates as a 'talker' within the KDE TTS system and with a Gnome Speech driver, as an alternative to Festival or other similar programs. A Windows SAPI5 version is also available."