Awesome Features of Blender extended by Plugins
How to use these plugins and reviews by Youtubers
Animation Nodes Helps with some nice animation features
Key Mesh Click the link and Scroll down to see the Tutorial, This plugin makes key frames for mesh shapes
GrasWald Uses geometry nodes to add in scattered objects onto an object.
KitOps free Kit bashing made easy with thumbnails. Also boolean modeling.
Welder Make welds easily.
Machine Tools Great helpful add ons. Like align tool that is awesome in one click.