Script collections
https://github.com/pchiorean/Indentz
Release All Anchored Objects
https://github.com/InDesign-Scripts/releaseAnchoredObjects
Automating character style application
https://www.id-extras.com/products/auto-character-styles/ Seems great, but paid :(
https://creativepro.com/perfectpreptext-a-smart-way-to-style-local-formatting/ Seems intimidating, but probably good
Optimize links
https://zevrix.com/linkoptimizer/ Another paid option, and arguably not as important given PDFs can have export settings to them that do this for you. But might be useful!