http://www.controlaltachieve.com/p/resources.html
"The Mother Loade of G-Suite & Goolge Resources"

 
http://www.omgchrome.com/

Esotechteric- intended for or likely to be understood by only a small number of 
nerds & geeks with specialized technology knowledge or interests.

https://chrome.google.com/webstore/detail/citable/jfiabcklnnhkmkcdjjpmgghiimjkaeio?utm_source=gmail
https://www.google.com/intl/en_uk/edu/classroom/
https://rwchrome.texthelp.com/drive/Home/RegisterTeacher
https://sites.google.com/site/scriptsexamples/available-web-apps

http://www.controlaltachieve.com/p/resources-science.html
https://support.google.com/docs/table/25273?hl=en&ref_topic=1361471