Create Popovers Around Elements – Popover.js
A tiny yet fully configurable popover JavaScript library for creating tooltip- and popover-style popups around any DOM element you specify.
Tooltip
Simple CSS Only Tooltips – purecsstooltip.css
Just another CSS only tooltip library for showing custom tooltips when hovering over an element.
Tiny HTML5 Tooltip JavaScript Library – Tooltip.js
A lightweight JavaScript library for creating customizable, animated HTML5 tooltips on any elements.
CSS/HTML Only Animated Tooltip Library
A tiny, themeable, CSS-only tooltip library that is easy to implement and configure via HTML data attribute.
Customizable Interactive Tooltips In Pure JavaScript – Tippy.js
Tippy.js is a small yet highly customizable JavaScript tooltip library that helps you add customizable, interactive, animated tooltips to any DOM elements.
Moder Pure CSS Tooltip Library – Cooltipz.css
Cooltipz.css is a lightweight, accessible, CSS only, configurable tooltip library for modern web UI/UX design.
Animated Tooltip Component In Vanilla JavaScript
A Custom Element that attaches an animated customizable tooltip to elements using plain JavaScript.
Pure CSS/SCSS Tooltip Library – Tooltip UI
A CSS only tooltip library that applies a customizable, animated tooltip popup to an element you specify.
Tiny Smart Tooltips In Pure JavaScript And CSS3
A super tiny (~2kb) JavaScript library for creating CSS3 animated tooltips that auto re-position themselves depending the current position relative to the screen edge.
Advanced Native Tooltip Replacement – iTooltip
iTooltip is a pure JavaScript library to replace the native tooltip which generates a custom, rich text tooltip popup from the title attribute of an element.