Pure CSS Multi-level Navigation – menu.css
menu.css is a tiny CSS library to create multi-level (up to 4) horizontal dropdown menus or vertical expanding menus without any JavaScript.
JavaScript & CSS dropdown menu
Responsive Dropdown/Off-canvas Navigation In Vanilla JavaScript – Menue
Menue is a responsive, multi-level, cross-platform dropdown/off-canvas navigation system for both desktop and mobile.
Accessible Custom Dropdown Menu – dropmic
dropmic is a tiny, zero-dependency JS library that appends a minimal clean dropdown/popup menu to any element when triggered.
Smart Responsive Dropdown Navigation Bar – Animenu
Animenu is a lightweight responsive dropdown navigation system that collapses the horizontal navbar into a hamburger toggle menu on mobile devices.
Multi-level Accordion/Dropdown Menu In Vanilla JavaScript – metisMenu
A vanilla JavaScript navigation plugin that helps you create responsive, animated, accessible, accordion/dropdown navigation on the web app.
Convert HTML List Into Dropdown Menu – Dropdown-List
A small vanilla JavaScript library that transforms the regular HTML unordered list into a drop-down menu for easily navigating between your web pages.
Accessible Dropdown Menu Component In Vanilla JavaScript – a11y-dropdown-component
A lightweight, accessible, simple-to-use dropdown menu component written in vanilla JavaScript (ES6).
CSS Only Responsive Dropdown Menu – JMenu
JMenu is a pure CSS responsive menu which automatically collapses the regular drop-down navbar into a mobile-friendly sliding menu with or without the toggle button.
Responsive Hamburger Menu In Pure CSS
This is a CSS only responsive, multi-level menu that expands the hamburger toggle button into a horizontal drop-down nav on desktop or an off-canvas side menu on mobile.
Responsive Pure CSS Dropdown Navigation Menu
A fully responsive, CSS-only navigation that breaks down into a hamburger dropdown menu when the viewport size is smaller than a specified breakpoint.