Snips Voice Platform - The first AI-powered voice assistant with privacy
Alan AI - Add a voice assistant to your applications
Lyrebird - Copy the voice of anyone, using a voice imitation algorithm
Amazon Polly - Named for a parrot, Amazon Polly is a text-to-speech (TTS) software that makes your text come to life in a natural, authentic way. The software has many lifelike voices, both male and female, and in a variety of languages.
M - A personal assistant built inside Facebook Messenger
Amazon Lex - Harness the power behind Amazon Alexa for your own conversational apps.