CG Thoughts

Fluent 4 - Hard Surface Modeling Tool Suite is a hard surface modeling add-on for Blender from CG Thoughts, built around a non-destructive boolean cutter workflow. It holds a 5-star rating across 132 reviews on Superhive.

Fluent Catalyst - Geometry Nodes Ui And Library System is a Blender add-on for driving geometry nodes assets from the viewport and building reusable asset libraries. It ships with 13 parametric hard surface assets.