Zen UV is not just a set of tools, it is ready to use pipeline for fast creating UV’s in Blender. It represents an intuitive system created by professionals and refined in real projects. Enjoy this experience with us!

Main Features

Smart Zen Unwrap Operator to mark selected edges/faces as Seams and/or Sharp edges and Unwrap by Marked edges after. Unwrap your model easily with Zen Unwrap!
Powerful Marking System that helps you to mark Seams and/or Sharp automatically by angle, by existing UV Borders/Sharp Edges, and manually.
Finished System. It helps to control and manage the state of unwrapping UV Islands (Finished/Unfinished) by tags and visually. Nothing will be left not unwrapped!
Full set of Transform tools. Move, Rotate, Scale, Flip, Fit, Orient, Sort and Align Islands and Elements (vertices, edges, polygons).
Mighty Stack System. Stack and Unstack UV islands automatically and manually. Extremely useful for increasing Texel Density and baking. (Supported on Windows, Mac OS, and Linux platforms.)
Copy/Paste Operators. Copy/Paste parameters (Structure,TD, Position, Size) between Islands/Faces.
Quadrify Islands Operator to straighten rectangular-shaped UV Islands.
Different Pack Engines. Yes, you can use UVPackmaster 2, 3 and UV-Packer with Zen UV.
Seam Groups. Work with more than one Seam set!
Sticky UV Editor for quick access to UV Editor.
Checker Map System is a node-based system that contains Checker Textures designed specifically for Zen UV. Add your own textures, filter existing textures by resolution, square and rectangular formats. Check UV’s state on the model without ruining existing materials!
Texel Density. Get, Set, and Check Texel Density of UV Islands.
Advanced UV Maps. Duplicate, remove, clean, and rename UV Maps of the selected objects in sync.
Hard Ops add-on integration. It allows displaying UV manipulations in 3D View!
Smooth by Sharp (Toggle). Set hard/soft edges for perfect normal map bakes in one click!
Quick Support on the Discord channel.

Changelog:

General
Added Relax operator. This is a new unwrapping method that is well suited for working with organic models.
Added World Orient operator that rotates Islands the way they are oriented in the model.
Added Reshape Island operator which changes Island depending on the preset (Selected, U/V Direction, Borders).
Added Copy UV / Paste UV operators to transfer UV coordinates between UV Maps.
Added Blender 3.2 support.

https://zen-masters.github.io/Zen-UV/changelg/release_note_3.0/