A CSS only responsive fixed sidebar navigation that collapses into a bottom nav bar on mobile devices.
Menue is a responsive, multi-level, cross-platform dropdown/off-canvas navigation system for both desktop and mobile.
Animenu is a lightweight responsive dropdown navigation system that collapses the horizontal navbar into a hamburger toggle menu on mobile devices.
navigataur.css is a pure CSS responsive navigation solution that converts the regular navbar into a dropdown menu with a toggle button when the screen size reaches a specific breakpoint.
Omega.js uses CSS media queries to detect the screen size and collapse the regular navbar into a hamburger sidebar navigation (aka. off-canvas navigation).
The Collapsible library automatically collapsible the nav items into a dropdown menu with a hamburger toggle button, when there’s not enough screen space.