We are providing an open-source toolkit for anthropomorphic spoken dialogue agent with which one can develope a life-like animated agent that talks with the user and can be easily customized with the face, voice, and dialog grammar.
Shin-ichi Kawamoto, Takuya Nishimoto, Shigeki Sagayama, et al.: Galatea: Open-source Software for Developing Anthropomorphic Spoken Dialog Agents, Life-Like Characters — Tools, Affective Functions and Applications, H. Prendinger, M. Ishizuka (Eds.), Springer, 2003.