Flippist new version 1.2 is available!
Flippist is an addon for Blender that can automatically Flip Normals and Make Normals Consistent on multiple objects.
Read more about Flippist addon: alexiy.nl/flippist/
Added default behavior option in the Blender User Preferences
… and another changes
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You can download the addon here:
Download Flippist addon for Blender