https://www.grammarly.com :- Best tool for the grammar mistakes.it works
https://translate.google.co.in/m/translate :- if you don't know any single word you can translate it. (This is good for non English speakers)

Yoga :- it will help you to think more. Make you stronger person.

https://www.google.co.in/docs/about/ :- it is the best place to write anything because it will save your files in Google drive. So don't need to worry about loosing it.

Google drive :- by using this drive you can save your hard work in safe hands. So don't have to worry about loosing it.