The Ultimate Google Sheet Toolkit - We put together a curated list of templates, videos, and tutorials that can help you build your analytics expertise.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
MadKudu for Google Sheets - Get predictions about your target market in GSheets for free
Nova Code Editor - Nova Code Editor is software that is used for writing and editing codes.
SyncWith for Google Sheets - Data from any app into Google Sheets, reports & dashboards
Retool - Build custom internal tools in minutes.