Apps similar to Select2 include Chosen, which is free and open source. Other options are Selectize.js, Tom Select, Bootstrap Multiselect and Selectr. In total there are seven apps like Select2 for the web, self-hosting, Mac and Windows.
Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available as both jQuery Prototype plug-ins and with forks for supporting MooTools and Drupal.
Selectize is a custom <select> UI control with autocomplete and native-feeling keyboard navigation. It's useful for tagging, contact lists, country selectors, and so on.
United States
Tom Select is the hybrid of a textbox and select box. It has autocomplete and native-feeling keyboard navigation. Useful for tagging, contact lists, etc.
Bootstrap Multiselect is a JQuery based plugin to provide an intuitive user interface for using select inputs with the multiple attribute present. Instead of a select a bootstrap button will be shown as dropdown menu containing the single options as checkboxes.
Tokeninput is a jQuery plugin which allows your users to select multiple items from a predefined list, using autocompletion as they type to find each item. You may have seen a similar type of text entry when filling in the recipients field sending messages on facebook.
Germany
EU
