These 3 free premiere pro plugin is a must have for professional video editors especially in Adobe Premiere Pro. I’ve been using these since I can remember, and it definitely speed up my workflow.
https://knightsoftheeditingtable.com/portal
https://app.pluginplay.app/tool/copy-pasta
https://exchange.adobe.com/apps/cc/108490/freesound-audio-search
webiste version: https://freesound.org/