Magmi GitHub, see branch magento2 for a version compatible with Magento 2
Why do you think that https://github.com/spatie/simple-excel is a good alternative to magmi-m2
Magmi GitHub, see branch magento2 for a version compatible with Magento 2
Why do you think that https://github.com/spatie/simple-excel is a good alternative to magmi-m2