We deeply value your intention of becoming a contributor! We will be very glad if your component will find its way to our marketplace. We accept the following components to be placed in the marketplace: add-ons and themes. Your component can be either free or commercial. Please, check the recommendations on developing application components. After that fill in the form and we will contact you to discuss the details.
For localizations, proceed directly to the Github repository and make a pull request for contribution. Please note that the repository contains branches per each version.