Google Forms 
Add polls, surveys and quizzes using Google Forms and collect your users' feedback.
Compatibility: v2019.1 - v2020.3
Current version: 1
Google Maps 
Enter the address of the place to display on the map and specify the graphic settings.
Compatibility: v13.0 - v2020.3
Current version: 16
Google Plus 
Promote your Google+ profile by adding in your website buttons that allows the users to follow you and/or share your content.
Compatibility: v12.0 - v17.1
Current version: 6
Google Translate 
Activate Google Translate to allow your website visitors to translate easily the content of your pages.
Compatibility: v11.0 - v2020.3
Current version: 9