Tokenize2 is a jQuery plugin that allows you to select multiple items from a predefined list or ajax, using autocomplete as they type to find each item.
SelectPage is a jQuery select plugin including ajax remote data, autocomplete, pagination, tags, i18n and keyboard navigation features.
At.js is an autocompletion library to autocomplete mentions, smileys etc. just like on Github.
Tag-it is a jQuery UI plugin to handle multi-tag fields as well as tag suggestions/autocomplete.
Flexdatalist is jQuery autocomplete plugin with support for
<datalist>. There are many options, methods and events to customize plugin.
jQuery.textcomplete is a jQuery plugin that introduces autocompleting power to textareas, like a GitHub comment form has.
Horsey is a progressive and customizable autocomplete component. It supports every sane browser and IE7+.
Awesomplete is an ultra lightweight, customizable, simple autocomplete widget with zero dependencies, built with modern standards for modern browsers.
Geocomplete is an advanced jQuery plugin that wraps the Google Maps API's Geocoding and Places Autocomplete services.
You simply provide an input that lets you search for locations with a nice autocomplete dropdown. Optionally add a container to show an interactive map and a form that will be populated with the address details.
jQuery Autocomplete plugin is a lightweight simple and easy in settings autocomplete like Google.
Autocomplete.js is jQuery plugin that improve your search with hints. Autocomplete.js also has some options to customize.
It gives a search preview from Json object(s) via same domain Ajax request or cross domain jsonp and offers data compression inside Local Storage.
ajaxComboBox is a jQuery plugin for creating a text box it can "autocomplete" and "pulldown select".