The following link will take you to the developers page. It is intended for software developers and those curious about the inner workings of CLiCk, Speak. It is not something that end users need to be know about in order to fully utilize CLiCk, Speak.
Click here to go to the developers page.
The CLC-4-TTS Suite is released under the GNU GPL, but other licensing arrangements for companies that need to accomodate commercial, closed-source products are negotiable.