Quick Link
https://superhivemarket.com/products/action-commander?ref=356
Pricing
paid
CGDive Review
About Frame Ranger
The Action Commander addon is the successor of Frame Ranger.
Action Commander works with Blender 4.0 and later. If you still use an older version of Blender, consider using Frame Ranger.
Action Commander review and tutorial by CGDive
Official Documentation
Action Commander — ActionCommander 1.0.0 documentation
Action Commander is a Blender Add-on that helps manages multiple actions in your blend file with many different Utilities including switching Action, Importing FBX Actions, and Many More.
actioncommanderdocumentation.readthedocs.io