Google Sheets + MonkeyLearn - Power up your Google Sheets with text analysis
SheetHacks by Polymer Search - Discover the best tips & tricks for Google Sheets & Excel
Flookup - Fuzzy lookup, highlight and remove duplicates from your datasets
SyncWith for Google Sheets - Data from any app into Google Sheets, reports & dashboards
Indico - Machine learning without the PhD
Coefficient.io - Automatically Sync Google Sheets with your Business Systems. No-code reporting and analysis tool.