9 Google Drive Add-Ons + an interesting idea

Reference: http://www.lifehack.org/articles/technology/10-best-google-drive-add-ons-you-should-using.htm
10 Best Google Drive Add-Ons You Should Be Using
By Emmanuel Banks

Some Good Drive Add-Ons worth Checking Out:

1. Hellofax
2. Uberconference
3. PandaDoc
4. MapsForDocs
5. DriveTunes
6. Google Slides - 
• definitely great for group projects, but still lean towards the familiarity of PPT and functionality of Prezi
7. Mail2Drive
• great tool, I should use it more
8. EasyBib
• great tool, very easy to keep track of references
9. MindMeister
10. IFTTT