[](https://www.webcomponents.org/collection/vaadin/vaadin-core-elements) [](https://gitter.im/vaadin/vaadin-core-elements?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge) # Vaadin Core Elements [Vaadin elements](https://vaadin.com/elements) are an evolving set of open sourced custom HTML elements, which seamlessly extend the [Polymer Element Catalog](https://elements.polymer-project.org) with high-quality user interface components commonly needed in modern mobile and desktop business web applications. The following elements are included: | Element | Bower Version | Npm version | Build Status | |---------|---------------|-------------|--------------| | [vaadin-combo-box](https://github.com/vaadin/vaadin-combo-box) |  | [](https://www.npmjs.com/package/vaadin-combo-box) | [](https://travis-ci.org/vaadin/vaadin-combo-box) | | [vaadin-context-menu](https://github.com/vaadin/vaadin-context-menu) |  | [](https://www.npmjs.com/package/vaadin-context-menu) | [](https://travis-ci.org/vaadin/vaadin-context-menu) | | [vaadin-date-picker](https://github.com/vaadin/vaadin-date-picker) |  | [](https://www.npmjs.com/package/vaadin-date-picker) | [](https://travis-ci.org/vaadin/vaadin-date-picker) | | [vaadin-grid](https://github.com/vaadin/vaadin-grid) |  | [](https://www.npmjs.com/package/vaadin-grid) | [](https://travis-ci.org/vaadin/vaadin-grid) | | [vaadin-icons](https://github.com/vaadin/vaadin-icons) |  | [](https://www.npmjs.com/package/vaadin-icons) | | | [vaadin-split-layout](https://github.com/vaadin/vaadin-split-layout) |  | [](https://www.npmjs.com/package/vaadin-split-layout) | [](https://travis-ci.org/vaadin/vaadin-split-layout) | | [vaadin-upload](https://github.com/vaadin/vaadin-upload) |  | [](https://www.npmjs.com/package/vaadin-upload) | [](https://travis-ci.org/vaadin/vaadin-upload) | | [vaadin-split-layout](https://github.com/vaadin/vaadin-split-layout) |  | [](https://www.npmjs.com/package/vaadin-split-layout) | [](https://travis-ci.org/vaadin/vaadin-split-layout) | | [vaadin-context-menu](https://github.com/vaadin/vaadin-context-menu) |  | [](https://www.npmjs.com/package/vaadin-context-menu) | [](https://travis-ci.org/vaadin/vaadin-context-menu) | Vaadin Core Elements is a bundle that contains all the free elements, licensed under the Apache License 2.0. In addition, we have commercially licensed elements, such as [Vaadin Charts](https://github.com/vaadin/vaadin-charts). ## Learn more See the list of elements, demos and documentation, instructions how to get started, video tutorials, application demos and more by visiting: ### [vaadin.com/elements ›](https://vaadin.com/elements) --- ## Roadmap See https://vaadin.com/roadmap for a high level roadmap that is updated once a week. ## Contributing We would absolutely love to get the community involved, and we welcome any form of contributions – comments and questions on different communication channels, issues and pull request in the repositories, and anything that you build and share using our elements. ### Get in touch with the team The chat and the forum category are dedicated channels for this project, while the Twitter, Facebook and G+ pages are common for all Vaadin related discussion (including the Java framework). - [Chat](https://gitter.im/vaadin/vaadin-core-elements) - [Forum](https://vaadin.com/forum/#!/category/9848927) - [Twitter](https://twitter.com/vaadin) - [Facebook](https://www.facebook.com/vaadin/) - [G+](https://plus.google.com/communities/108116678608923665301) ### Some ways to help: - **Test the elements and provide feedback**: We would love to hear your feedback on anything related to the elements, like features, API and design. The best way to start is by [trying them out](https://vaadin.com/docs/-/part/elements/elements-getting-started.html). And to get a quick response, either drop a question/comment on the chat or open an issue in GitHub. - **Report bugs**: File issues for the elements in their respective GitHub projects. You can find links to them from https://vaadin.com/elements - **Send pull requests**: If you want to contribute code, check out the development instructions below. We encourage you to read the [contribution instructions by GitHub](https://guides.github.com/activities/contributing-to-open-source/#contributing) also. ## Development If you want to develop the elements yourself see the [development instructions](DEVELOPMENT.md) that apply to all Vaadin elements. ## License Apache License 2.0