Most comprehensive plugin packs released for the 2021–2024 cycle focus on four main pillars: Modeling Efficiency, Rendering, Architecture/Documentation, and Geometry Management.
These tools help create organic shapes and realistic details that standard SketchUp tools struggle with.
If you are looking for a specific plugin bundle, is a prominent "solid feature" pack that adds over 30 essential tools directly to the interface, including:
Modern plugin packs typically bundle tools into several critical functional areas: