TTS engine Realspeak available in many languages. Company (former Scansoft) bought many TTS-manufacturers, e.g. Rhetorical, ETI-Eloquence, Nuance, Lernhout and Hauspie.
Elan Speech, dedicated global provider of text-to-speech (TTS) technologies for telecommunications, multimedia, embedded systems and mobile solutions. Provides 2 ranges of speech synthesis technologies for high quality and low footprint requirements. ...
Text-to-speech for a wide selection of platforms - including servers, desktops and mobile. Provides a variety of languages, voices, and accents. Effective on line demo of speech quality.
A speech synthesis system written entirely in the Java(TM) programming language. Based upon Flite: a smallrun-time speech synthesis engine developed at Carnegie Mellon University and derived from the Festival Speech Synthesis System from the Universit...
Free software tools and documentation for building new speech synthesis voices in English and other languages. Associated to Festival TTS. From Carnegie Mellon.