Smooth Touch-enabled Selectable Library – selection.js
selection.js is a pure JavaScript library which enables the smooth, touch-friendly selectable functionality on a group of DOM elements.
JavaScript & CSS select
Beautify Native Select Elements With JavaScript – nativejs-select
nativejs-select is a vanilla JavaScript plugin to beautify the native select boxes with custom styles.
Elegant Multi-Select Component With Autocomplete – SelectPure
SelectPure is a pure JavaScript (es6) library to create elegant single or multiple select controls with support for autocomplete and dynamic data rendering.
Custom Single/Multi Select In Pure JavaScript – vanillaSelectBox
A Vanilla JavaScript library that transforms the regular select element into a customizable, searchable, checkable dropdown list.
Custom Filterable Select Input In Pure JavaScript
A tiny script to create a customizable, accessible, filterable select input from plain input and HTML list elements.
Dynamic Single/Multi Select With Autocomplete – MultiSelect2
Just another select box replacement library to select single or multiple options from an autocomplete dropdown.
Convert Select Box Into A Fully Styleable Dropdown List – Selectal.js
Selectal.js is a JavaScript plugin to replace the regular select box that enables you to style & control dropdown lists in a simple way.
Powerful Single & Multiple Select Library – tail.select
tail.select is a rewritten version of the jQuery tail.select plugin that can be used to beautify & enhance the default select box with no dependency.
Easy Customization Of HTML Select Boxes – nice-select2
A pretty nice select box replacement library which converts the regular select element into an animated, customizable, searchable dropdown list.
Bootstrap Style Searchable Dropdown Plugin – fstdropdown
The fstdropdown JavaScript plugin turns a normal select element into a searchable, Bootstrap style drop-down select with pure JavaScript and CSS.