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SurveyJS Form Library

Build Status Software License Tested with TestCafe Issues Closed issues

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

Get Started


Build the SurveyJS Form Library from Sources

  1. Clone the repo

    git clone
    cd survey-library
  2. Install dependencies
    Make sure that you have Node.js v6.0.0 or later and npm v2.7.0 or later installed.

    npm install -g karma-cli
    npm install
  3. Build the library

    npm run build_prod

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

  4. Run test examples

    npm start

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

  5. Run unit tests

    npm run test

    The unit tests use Karma.


SurveyJS Form Library is distributed under the MIT license.