Hate those posts only containing link.. Feeling like I am looking at a news aggregator with click bait...
For those feeling like me here a simple cut and paste :
Sam is a very small Text-To-Speech (TTS) program written in Javascript, that runs on most popular platforms. It is an adaption to Javascript of the speech software SAM (Software Automatic Mouth) for the Commodore C64 published in the year 1982 by Don't Ask Software (now SoftVoice, Inc.). It includes a Text-To-Phoneme converter called reciter and a Phoneme-To-Speech routine for the final output.