https://g4f.ai/
https://github.com/xtekky/gpt4free

2023
PythonToday - Using ChatGPT for Free 0:00 of 5:14
    https://www.youtube.com/watch?v=kudfqsuq5E4
TheParseHub - ChatGPT API free: turning context on 0:00 of 6:36
    https://www.youtube.com/watch?v=1GQou7xF6H8
TheParseHub - Using GhatGPT APE Free with Python 0:00 of 13:50
    https://www.youtube.com/watch?v=nJ3OncyisZU