You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers
magepalThis extension adds console commands to be able to regenerate; a product rewrite URL based on its url path; a category rewrite URL based on its url path; a category URL path based on its URL key and
elgentosMagento 2 module which can find potential url related problems in your catalog data
baldwin-agencyImprove default Magento 2 Import / Export features - cron jobs, CSV , XML , JSON , Excel , mapping of any format, Google Sheet, data and price modification, improved speed and a lot more!
firebearstudioMagento 2 Social Login extension is designed for quick login to your Magento 2 store without procesing complex register steps
mageplazaForce Customer Login Module for Magento 2
bitExpert