Olivia is described as 'Open-source chatbot built in Golang using Machine Learning technologies. Its goal is to provide a free and open-source alternative to big services like DialogFlow' and is an app. There are four alternatives to Olivia for iPhone, Web-based, Android, iPad and Android Tablet. The best Olivia alternative is Cleverbot. It's not free, so if you're looking for a free alternative, you could try Praktika.ai or Dialogflow.
Cleverbot is an AI web application that learns how to mimic human conversations by conversing with humans. It was created by AI veteran Rollo Carpenter who also created a similar web application called Jabberwacky.
United Kingdom
Praktika.ai is an English learning platform that uses AI Avatars with different backgrounds and accents to provide comprehensive courses and interactive content for language learning.
Api.ai provides developers and companies with the advanced tools they need to build conversational user interfaces for apps and hardware devices.
United States
Study language by actually using it in a conversation. Chat, learn new words, study grammar and play language games.
