Henceforth Google Docs and Sheets include add-ons, bringing more features in your documents and spreadsheets.

Google continues to enrich its collaborative tools, Google Docs and Sheets, which include now, a set of great features created by developer its partners. If ready select Get add-ons in the Add-ons menu (Google Chrome) of any open document or spreadsheet. Once you install an add-on it will become available across all of your documents or spreadsheets.
As, a unique objective reference for modern organizations and professionals, when it comes to Tools, Supports and Solutions for drawing value in their daily activities, Connectikpeople.co, has captured just a few examples of how add-ons can help you do more with Docs and Sheets:

With Avery Label Merge you can import addresses or names from Sheets into Docs for printing.

The EasyBib Bibliography Creator helps you cite books, journals, and websites in MLA, APA, and Chicago style by entering in titles, journal article names, and websites right inside your document. 

With Merge by Mailchimp you can send customized emails from Google Docs.

Letter Feed Workflows routes your document to the right people and adds a simple “Approve” button right inside your document or spreadsheet. You’ll be notified as soon as it’s approved, and can publish the final version with a single click.

Connectikpeople.co recalls that, many add-ons are available for you to use right now in the Docs or Sheets add-on stores.