IBM Watson Assistant - Watson Assistant is an AI assistant for business.
TexTalky - Turn any text or script to a lifelike neural human voice, a powerful A.I text to speech realistic voiceover that covers more than 130 international languages & Accent and over 900 kinds of lifelike human voices that meets most of your needs.
Zendesk Answer Bot - Chatbots
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.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Noizable - Free human noise for your video or podcast