The development framework for cross-platform voice apps

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app.setHandler({
    'LAUNCH': function() {
        this.toIntent('HelloWorldIntent');
    },

    'HelloWorldIntent': function() {
        this.ask('Hello World! What\'s your name?', 'Please tell me your name.');
    },

    'MyNameIsIntent': function(name) {
        this.tell('Hey ' + name.value + ', nice to meet you!');
    },
});

Jovo is the first open source framework that lets you build voice apps for both Amazon Alexa and Google Assistant with only one code base. Besides cross-platform development, Jovo also offers a variety of integrations and easy prototyping capabilities. Check out our features below.

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Table of Contents

• Installation
• Features
  • General
  • Platform Specific Features
  • Integrations
• Getting Started
  • Jovo CLI
  • Jovo Framework
  • Jovo Sample App
• Tutorials
• Contributing
• Community Projects
• Development Roadmap

Installation

Read more in our Getting Started Guide.

Install the Jovo CLI:

$ npm install -g jovo-cli

Create a new Jovo project:

$ jovo new <directory>

Features

General

Basic Concepts

Name	Description	Docs
Command Line Tools	Create and run Jovo projects from your command line	📝
Routing	Easy routing capabilities for intents and states	📝
Data input	Deal with user specific data and request parameters (slots and entities) easily	📝
Speech and visual output	Craft your responses, including speech an visual elements	📝

Advanced Features

Name	Description	Docs
User object	Create contextual experiences with user specific data and services	📝
Speech Builder	Helpful class to create speech output and add variety to your responses	📝
i18n	Create multilingual voice apps	📝
Jovo Persistence Layer	Persist user specific data	📝
Jovo Analytics Layer	Get usage statistics and logging with analytics integrations	📝

Platform Specific Features

Jovo is not a common denominator solution. You can access platform specific features for Amazon Alexa and Google Assistant. See a list of supported features below.

General

Name	Description	Docs
Multi-platform handler	Add or overwrite specific intents and states for platform specific app logic	📝

Amazon Alexa

Name	Description	Docs
Audioplayer	Build Alexa Audioplayer Skills	📝
VideoApp	Build Alexa VideoApp Skills	📝
Alexa Cards	Create visual output with home cards for Alexa Skills	📝
Alexa Device Address	Access users' device location	📝
Alexa Lists	Access users' To Do and Shopping Lists	📝
Alexa Verifier	Makes it possible to host your Alexa skill on your own server instead of AWS Lambda	📝
Alexa Dialog Interface	Use Alexa's Dialog Directives for multi-turn conversations	📝
Echo Show Render Templates	Display visual elements on Echo Show	📝
Progressive Responses	Keep your users engaged while processing a longer request	📝

Google Assistant

Name	Description	Docs
Google Assistant Cards	Create visual Output for the Google Assistant mobile app	📝
Suggestion Chips	Display buttons to allow your users to quickly reply on mobile phones	📝
Location	Access your user's location data	📝

Integrations

Database Integrations

See the Jovo Persistence Layer for more information on storing user specific data.

Name	Description	Docs
File Persistence	Saves user specific data in JSON file for fast prototyping and development (default)	📝
Dynamo DB	Saves user specific data in AWS DynamoDB table	📝

Analytics Integrations

See the Jovo Analytics Layer for more information on analytics features.

Name	Description	Docs
VoiceLabs	Voice App Analytics including Usage Metrics and Behavior Paths	📝
Dashbot	Chatbot and Voice App Analytics including Usage Metrics, Behavior Flows, and Live Interaction Transcripts	📝
Bespoken Analytics	Voice App Analytics including Usage Metrics, Logging, and Monitoring	📝

CLI Integrations

See the Jovo CLI Docs for more information on CLI features.

Name	Description	Docs
bst proxy	Proxy service that creates a webhook link for local prototyping, with additional logging and analytics features	📝
nodemon	Monitor changes and automatically restart the server	📝

Tutorials

Find a quickstart guide and comprehensive tutorials here:

• Build a cross-platform voice app in 5 simple steps
• Build an Alexa Skill with Jovo
• Build a Google Action with Jovo

Contributing

We strongly encourage everyone who wants to help the Jovo development take a look at the following resources:

• CONTRIBUTING.md
• Take a look at our issues
• Add your project to jovotech/builtwithjovo

Community Projects

Name	Description	Repository
ASK CLI Jovo Starter Template	Alexa Skill starter template using ASK CLI and Jovo Framework	rmtuckerphx/ask-cli-jovo-starter
Advanced Sample Voice App	Advanced folder structure and improvements for more complex voice applications	tjbenton/jovo-sample-voice-app-nodejs
Jovo Babel Project	An example project using Jovo Framework alongside JavaScript ES6.	Cawfree/jovo-babel-project

Development Roadmap

We still consider this a beta-version of the Jovo framework: We give it our all to make it as complete as possible (and it supports most of the Alexa and Google Assistant functions), but there are certain features that are currently in development.

What we're currently working on:

• Adding more DB integrations
• Extending the User class

We need your help

Jovo is a free, open source framework for voice developers. We're improving it every day and appreciate any feedback. How to support us? Just go ahead and build something cool with the framework and let us know at [email protected]. Thanks!