Magento 2 Modules from Packagist.org That Look Promising

I searched through packagist.org for “Magento2” and “Magento 2”, went through each page to determine what composer packages seemed like something that would/could be used in current & future projects.
https://packagist.org/packages/magefan/module-login-as-customer
https://packagist.org/packages/ahromets/testimonials
https://packagist.org/packages/amzn/amazon-payments-magento-2-plugin
https://packagist.org/packages/arkade/magento2-s3
https://packagist.org/packages/ashsmith/magento2-blog-module-example
https://packagist.org/packages/classyllama/module-owlcarousel
https://packagist.org/packages/cloudflare/cloudflare-magento
https://packagist.org/packages/codepeak/magento2-cronwatch
https://packagist.org/packages/comunicart/magento2-minicartaddedproduct
https://packagist.org/packages/creatuity/magento2-blackfire-commands