Dials is a Cinema 4D plugin, which allows you to set up a list of most used tools and commands. These are presented as a circular palette to select from. Directly available from within the viewport.

Multiple toolsets can be created, where each toolset can be populated with tools by drag-n-drop.
A toolset can hold tools, commands, scripts, generators, deformers, ..

For each tool a set of favorites can be defined, by drag-n-drop from the Attribute Manager. Tools with specific settings can than be selected from Dials in the 3D viewport.

Available for Cinema 4D R16, R17, R18, R19, R20 (Windows and/or macOS)