Using ChatBlocks by Instafluff you can create your own Twitch bots without having to know how to code - just drag and drop blocks to build your own Twitch bots.
Using Audio Hijack and Loopback together you can improve the quality of your mic for all the Zoom, Skype, Discord, or Microsoft Teams calls you're having to do these days.
Descript is a powerful transcription and editing app for podcasters that is vastly under-utilized. If you last looked at Descript a year or two ago, I'd recommend taking a look at the most recent version as they've made a lot of improvements to the app and it's functionality.
A viewer of my YouTube channel sent in a question about how to send audio from mic to GarageBand to OBS for live streaming or Zoom calls, and whether it's best to incorporate Loopback or not to make it happen.