Tal Hershko

Animation Layers is a Blender addon that brings a standard animation layers UI and workflow into the 3D viewport, simplifying work with the NLA Editor for editing animation or mocap data.

Animtoolbox - Character Animation Toolset is a Blender addon from Tal Hershko that bundles animation tools such as Temp Controls, an editable motion path, Retime Markers, Copy Paste Matrices and Temp Pivot, organised into Temp Controls, Anim Tools and Display Tools.