The standard toolboxes can be displayed via Window - Standard Toolboxes.
> Pan And Zoom
> Entity Inspector
> Impact Explorer
> Design Components Library
> 3D Components Library
> Keyboard Entry
> Script Toolbox
> Output Toolbox
> Snap Settings
> Grid Settings
> Report Toolbox
> Geometry Analysis Toolbox
> Dynamic Constraints Toolbox
> Animation Editor
> Cross-Section
> 3D Fold
> 3D Snapshot Toolbox