Mail Merge for G Suite - Create your mail template as a draft in Gmail and merge it with your Sheet data. You can use this syntax: {{Column Header}}
Sheetgo for G Suite - Connect Google Sheets, Excel & CSV. Import, export, merge and filter data automatically.
BP Simulator for G Suite - Business process simulations modeling tool
Cloudypedia tools for G Suite - Cloudypedia Admin Tools for G Suite( CAT GS).
ezPanel for G Suite - ezPanel for Google Apps is a Google Sheets add-on which offer you tools to manage, automate bulk actions and get reportings about your Google Apps domain.
CloudPages for G Suite - Manage and Monitor for G Suite