Emacspeak
Emacspeak is a free computer application, a speech interface, and an audio desktop. It employs Emacs, Emacs Lisp, and Tcl. Developed principally by T. V. Raman, it was first released in April 1995. It is portable to all POSIX-compatible OSs. It is tightly integrated with Emacs, allowing it to render intelligible and useful content rather than parsing the graphics ; its default voice synthesizer can be replaced with other software synthesizers when a server module is installed. Emacspeak is one of the most popular speech interfaces for Linux, bundled with most major distributions. In 2014, Raman wrote an article describing how the software's design was impacted by shifts in computer technology and its general usage over 20 years.
Source: Wikipedia
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