The Ultimate Google Sheet Toolkit - We put together a curated list of templates, videos, and tutorials that can help you build your analytics expertise.
Google Sheets + MonkeyLearn - Power up your Google Sheets with text analysis
SyncWith for Google Sheets - Data from any app into Google Sheets, reports & dashboards
Google Cloud Machine Learning - Google Cloud Machine Learning is a service that enables user to easily build machine learning models, that work on any type of data, of any size.
Algo by AirDev - Turn a Google Sheet model into a web app in 5 minutes
SheetHacks by Polymer Search - Discover the best tips & tricks for Google Sheets & Excel