A free and open-source MIT-licensed JavaScript form builder library that allows you to design dynamic, data-driven, multi-language survey forms and run them in your web applications.

• Dynamic forms, surveys, polls, and quizzes for your JavaScript application
• Integration with React, Angular, Vue, jQuery, and Knockout
• 20+ built-in question types and support for custom question types
• Built-in themes and CSS customization
• Answer validation
• TypeScript support
• Community-supported UI localization to 50+ languages
• Integration with any backend framework (examples for PHP, NodeJS, and ASP.NET included)
• Compatibility with any server + database combination
• Third-party component integration

• Angular
• React
• Vue
• jQuery
• Knockout

• Website
• Documentation
• Live Examples
• What's New

The instructions below apply to SurveyJS Form Library for React, Knockout, jQuery, and Vue 2. If you are looking for instructions on how to build the library for Angular or Vue 3, refer to README files within the survey-angular-ui or survey-vue3-ui packages.

1. Clone the repo

   git clone https://github.com/surveyjs/survey-library.git
   cd survey-library

2. Install dependencies
   Make sure that you have Node.js v14 or later and a compatible npm version installed.

   npm install -g karma-cli
   npm install

3. Build the platform-independent part and plugins

   npm run build_core
   npm run build-plugins
   

4. Build the library

   npm run build
   

   You can find the built scripts and style sheets in folders under the build directory.

5. Run test examples

   npm run serve
   

   This command runs a local HTTP server at http://localhost:7777/.

6. Run unit tests

   npm run test
   

   The unit tests use Karma.

SurveyJS Form Library is distributed under the MIT license.