Lightweight AJAX-Enabled Tooltip Library – drooltip.js
drooltip.js is a JavaScript tooltip plugin used to create customizable, dynamic tooltips from any content (e.g. text, html, JSON, ajax content, etc.).
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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.
JavaScript Library For Mouse Follow Tooltips – mousetip.js
mousetip.js is a lightweight, CSS-less JavaScript library used to create tooltips that always follows your cursor.
Simple Animated Tooltip Library With Pure CSS – Balloon.css
A simple, lightweight pure CSS library helps you create animated tooltip for any dom elements using html5 data attributes.
Create Animated Tooltips With Pure CSS/CSS3 – Hint.css
HINT.css is a tooltip library made in pure CSS/CSS3 that allows you create nice looking and animated tooltips/hints on your web page.
Standalone ES6 JavaScript Tooltip Library – Tipfy.js
Tipfy is a simple, lightweight, easy-to-config, rich text tooltip library written in pure JavaScript (ES6).
Elegant Tooltip Library With Pure CSS – eleganttips.css
The eleganttips.css makes it easy to create animated, fully configurable tooltip popups on any DOM element.
Themeable Tooltip In Pure CSS – themable-css-tooltip.css
The themable-css-tooltip.css lets you create simple, clean, animated, and customizable tooltips using pure CSS/CSS3.
Light/Dark HTML5 Tooltip Library – minitooltip
minitooltip is a pure JS solution to create customizable html5 tooltips using either data attributes or CSS classes.
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.