Go grab a new plugin from Sergey Tyapkin.
Sergey Tyapkin has released a new plugin for Blender, which works as a system to create UVs in the software quite fast.
Here are some technical details of the system:
- Smart Unwrap.
 - Marking Seams automatically by angle, existing UV borders, and manually.
 - Intuitive UI system with multifunctional Pie, Panel, and Popup menus.
 - Isolate Island mode for working with separate geometry parts.
 - Step by step UV’s editing with the Pin Islands system.
 - Checking the current state of UV’s by using Checker Texture Toggle.
 - Select Overlapped Islands operator for displaying problem areas.
 - Auto Sharp Edges by UV borders.
 - Flexible Preferences system to adjust Zen UV for your needs.
 
Join the Discord channel to get quick support on how to work with the plugin.
You’ll need Blender 2.80+ to install and use Zen UV.
Get the plugin on Gumroad.