You can use speech-to-text on Microsoft Word through the "Dictate" feature, which lets you write using your own voice.
If you ever need to transcribe audio or video to text, most current apps are powered by OpenAI’s Whisper model. You’re probably using this model if you use apps like MacWhisper to transcribe meetings ...
You can set up text-to-speech donations on your Twitch channel through a Streamlabs widget called an "Alert Box." ...