Page History

1. Gmail
2. Google Calendar
3. Google Chat
4. Google Contacts
5. Google Docs
6. Google Drive
7. Google Forms
8. Google Groups
9. Google Hangouts
10. Google Keep
11. Google Jamboard
12. Google Meet
13. Google Sheets
14. Google Sites
15. Google Slides
16. Google Tasks

1. Google AdWords (for faculty and staff)

2. Google Analytics

3. Google Blogger

4. Google Custom Search Engine

5. Google Fusion Tables

6. Google Inbox

7. Google Maps

8. Google My Maps

9. Google Photos

10. Google Partner Dash 

11. Google Takeout

12. Google Tour Creator

13. Google Webmaster Tools (for faculty and staff)
14. Google+
15. YouTube

Click the below links for additional info or to install the app.
See this FAQ to use these apps

1. Asana (Sheets / Docs)
2. Asana for Gmail (Gmail)
3. autoCrat (Sheets)
4. Balsamiq Wireframes (Drive)
5. Change Case (Docs)
6. Cisco WebEx (Calendar)
7. Choice Limit (Forms)
8. Code Blocks (Docs)
9. Colaboratory (Drive)
10. copyDown (Form fed Sheets)
11. diagrams.net for Docs (Docs)
12. Doctopus (Google Drive)
13. Dropbox for Gmail (Gmail)
14. EasyBib (Docs)
15. Email Notifications for Forms (Forms) - limited free functionality
16. Equation Editor ++ (Docs - Slides)
17. Form Approvals (Forms)
18. Form Notifications (Forms)
19. Form Publisher (Forms)
20. formLimiter (Forms)
21. formMule (Sheets)
22. formRanger (Forms)
23. GQueues (Drive)
24. GQueues for Gmail (Gmail)
25. Grackle (Docs - Sheets - Slides) - see this FAQ
26. Grammar and Spelling LanguageTool (Docs)
27. Lucidchart (Docs) - limited free functionality
28. Mail Merge for Google Docs (Docs)
29. MathType (Docs - Slides) - limited free functionality
30. Microsoft Teams Meeting - (Calendar)
31. Nearpod (Slides) - limited free functionality
32. Paperpile (Docs) - limited free functionality
33. Pear Deck for Google Slides (Slides)
34. Quilgo (Forms) - limited free functionality
35. Save Emails and Attachments (Sheets)
36. SEMrush SEO Writing Assistant (Docs)
37. Shift Scheduler (Sheets & Calendar)
38. Sheetgo (Sheets)
39. Slack for Gmail (Gmail)
40. Smartsheet (Sheets / Docs) - limited free functionality
41. Smartsheet for Google Docs (Docs)
42. Smartsheet for Gmail (Gmail)
43. Smartsheet for Google Forms (Forms)
44. Sortd Gmail Add-on (Gmail)
45. Timer for Google Forms (Forms)
46. Todoist for Gmail (Gmail)
47. Trello (Drive)
48. Trello for Gmail (Gmail)
49. Yet Another Mail Merge (Sheets) - see this FAQ
50. Zoom for GSuite (Calendar/Gmail) - see this FAQ