You can add features in a number of ways: Skills - Alexa skills are like apps. You can enable and disable skills, using the Alexa app or a web browser, in the same way that you install and uninstall apps on your smart phone or tablet.
Alexa Skills Store - Community Edition
50 Alexa skills worth using - CNET
Some Skills:

  • Check your credit card balance or make a payment when one is due.
  • Ask for a stock price using a company's natural name instead of the ticker Symbol

Routines - Allows the voice assistant to complete multiple tasks with a single voice command.
See Here's How to Set Up Amazon Alexa Routines on your Echo Device | Digital Trends


Alexa functions available via "If This Then That" (IFTTT) app
IFTTT is an app which will look for something in one app and use it to do something in another.
(e.g. if rain tomorrow send an email to you,
turn off WiFi on your phone when you leave home.)

There are ifttt applets or recipes for amazon Alexa
/ifttt.com/amazon_alexa
sample:
Find my phone
Add Alexa todo's to a todolist
  (todolist is an app that runs on most platforms)
Set the temperature in your Nest
https://www.cnet.com/how-to/essential-ifttt-recipes-for-the-amazon-echo/
9 ways to make Alexa break the rules - If This Then That (IFTTT) applets - CNET
Create your own IFTTT Applet for Alexa
Click New applet under your name in upper right Click on "+ if this then that" Click on "Amazon Alexa" CLick "Create Trigger" Make an Applet - IFTTT Click "create trigger" Click on "+ in if this then that" Set :alexa triggrer <Your trigger> Make an Applet - IFTTT Links:
Connect Wink: Shortcuts to hundreds of other services - IFTTT
Dave's Notes

last updated 10 Dec 2016