The Data Visualisation Catalogue - Reference tool for data visualisation
The Ultimate Google Sheet Toolkit - We put together a curated list of templates, videos, and tutorials that can help you build your analytics expertise.
Vida - Amazing Visualizations for Your Data
SyncWith for Google Sheets - Data from any app into Google Sheets, reports & dashboards
TheoremJS - A Math framework for computation in JavaScript
Google Sheets + MonkeyLearn - Power up your Google Sheets with text analysis