Since the release of Siri in 2011, voice assistants have become a new trend in mobile apps. Most of people think that creating a voice assistant like Siri and Alexa is very complicated, but it is not. So today we will see some of the best Python AI Assistant libraries. An Assistant library is a collection of routines that allow the user to build software. It is an application programming interface (API), which provides building blocks for developing software applications for a specific purpose or multiple purposes. Assistant libraries are not standalone programs. Instead, they are called from programs written in Python or other languages. Build your own Virtual AI assistant with NLP, speech analysis, command retrieval, and more. In this kit, we recommend you some of the best python AI assistant libraries available in 2022 including Mycroft Core - the Mycroft Artificial Intelligence platform; Jarvis - Personal Assistant for Linux and macOS; Kalliope - framework that will help you to create your own personal assistant.