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Forum Archive › Not a question (Free alternative for UV Squares and UV Packer)
For the UV Squares:https://github.com/Radivarig/UvSquares
For the packer: https://www.uv-packer.com/blender/
Thanks for including the links! The first one looks like it’s dead. Maybe it used to be public and the creator turned it private.
UV Squares is free on GitHub (.py)
https://github.com/Radivarig/UvSquares/blob/master/uv_squares.py
but $20 (.zip) on Blender Market
https://www.blendermarket.com/products/uv-squares