Fast Autocomplete & Typeahead Library – autoComplete.js
A dynamic, blazing fast, dependency-free, and easy-to-use autocomplete & typeahead JavaScript library for modern web development.
JavaScript & CSS typeahead
Fast Fuzzy Autocomplete Library – tiny-complete
tiny-complete is an ultra-light JavaScript library for blazing autocomplete functionality (aka. typeahead, autosuggest) with support for fuzzy search.
Lightweight Autocomplete / Typehead JavaScript Library – ka-autocomplete
ka-autocomplete is a pure vanilla JavaScript library used toadd autocomplete / typehead functionality to textbox.