Festival is a general multi-lingual speech synthesis system developed at CSTR. It offers a full text to speech system with various APIs, as well an environment for development and research of speech synthesis techniques.

Multi-lingual text to speech synthesis. Free multi platform software download for research purposes.

CVoiceControl is a speech recognition system that allows the user to connect spoken commands to Unix commands.

Special Synapse TAP Workstation translates speech into mouse events and keystrokes to control all environments - Unix, mainfame, and Mac with speech recognition.

Speech recognition project for Linux. Designed so that it can be easily integrated into any application or window manager as well as the KDE and Ggnome desktop environments.