Small footprint of 350k. Online demo, speaking metro information system, various speech synthesis examplesand some downloads. Interfaces for MS Windows, Dos, Apple Mac. Currently developing formant synthesis version. Free software download for research purposes.
Online demo shows good prosidy.
RC Systems - Affordable text to speech synthesis products. Boards, modules, and chips. Downloadable data sheets and product info. This is an industry standard in the making. For serious industrial developers.