# @vaadin/a11y-base A set of accessibility helpers, mixins and controllers used by Vaadin components. ## Contributing Read the [contributing guide](https://vaadin.com/docs/latest/contributing) to learn about our development process, how to propose bugfixes and improvements, and how to test your changes to Vaadin components. ## License Apache License 2.0 Vaadin collects usage statistics at development time to improve this product. For details and to opt-out, see https://github.com/vaadin/vaadin-usage-statistics.