pyttsx3Text to Speech (TTS) library for Python 3. Works without internet connection or delay. Supports multiple TTS engines, including Sapi5, nsss, and espeak.
gttsgTTS (Google Text-to-Speech), a Python library and CLI tool to interface with Google Translate text-to-speech API
speechrecognitionLibrary for performing speech recognition, with support for several engines and APIs, online and offline.