Open-source alternatives to BigVideo.js

Lightweight, cross-browser and highly customizable animated scrolling with jQuery

The Final Countdown plugin for jQuery

ScrollMagic is a DOM scroll interaction framework and animation engine used to map scroll progress to callbacks and visual effects. It functions as a library for triggering animations based on a user's scroll position and the proximity of elements to the viewport. The framework employs a plugin-based system to extend core behavior and customize how elements react during movement. This allows for the development of non-standard scrolling interactions and interactive storytelling experiences where content transitions are tied to the scroll position. The system provides capabilities for viewpor

An easy-to-use jQuery plugin for making zooming web pages.

Note: jQuery UI is in maintenance-only mode. Please read the project status blog post for more information._

This project is a jQuery-based form validation library designed to verify HTML form input values on the client side before submission. It functions as an input validator that enforces data integrity constraints through rule-based verification and value normalization. The library focuses on web accessibility compliance by linking error messages to input fields via ARIA attributes, ensuring that screen readers can announce validation failures to the user. The system supports the creation of custom validation rules and the transformation of raw input strings through a normalization pipeline. Co

One property, two values, endless possiblities

Awesomplete is a lightweight JavaScript library for adding searchable suggestion lists to text fields. It functions as an HTML-based autocomplete widget that renders filtered results from arrays, HTML elements, or comma-separated strings with zero external dependencies. The library includes a customizable suggestion engine that allows for the definition of custom matching logic, sorting rules, and trigger thresholds. It is designed as an event-driven UI component, providing a programmable interface to intercept selection events and manage the state of the suggestion popup. The system support

Zepto is a minimalist JavaScript toolkit providing an API for DOM manipulation, event handling, and asynchronous HTTP requests. It functions as a jQuery-compatible library, allowing developers to select, modify, and animate HTML elements using a concise and chainable syntax. The library includes an asynchronous HTTP client for exchanging data with remote servers without triggering page reloads and a browser-based event handler that supports standard mouse events and mobile touch gestures. Its capability surface covers CSS selector-based querying, element transition animations, and the serial

Stellar.js is a JavaScript parallax library and scroll-based motion framework used to coordinate DOM element positioning and CSS transforms. It functions as a positioning tool that calculates real-time coordinate shifts for background images and foreground items based on scroll triggers. The library utilizes a CSS transform animation engine to ensure movement is hardware-accelerated on both mobile and desktop browsers. It creates depth effects by applying different movement speeds to elements relative to the natural scroll rate. The framework covers a range of motion capabilities, including

localForage is a browser storage wrapper and key-value store that provides a unified JavaScript API for persisting data. It acts as an abstraction layer over IndexedDB, WebSQL, and localStorage, allowing web applications to save data offline. The library features a priority-based driver fallback system that automatically detects and selects the most capable storage engine available in the browser. It simplifies data management by providing an asynchronous interface for storing complex JavaScript objects and binary buffers without requiring manual serialization. The project covers broad capab

onepage-scroll is a JavaScript library and scroll orchestrator that transforms websites into a series of sections navigated one page at a time. It functions as a single page navigation tool that implements viewport-based section snapping to lock the scroll position to full-screen segments. The library provides a responsive scrolling interface that automatically reverts to standard browser scrolling behavior when the window width drops below a defined threshold. It synchronizes the browser address bar with the current section index as the user navigates through the page. The system includes c

Skrollr is a dependency-free scroll-driven animation engine and cross-platform frontend library. It functions as a toolkit for linking CSS properties and HTML attributes to scroll positions to create synchronized animations, specifically providing utilities for the interpolation of SVG attributes. The library enables the creation of parallax scrolling and interactive web storytelling by mapping scroll offsets to specific style values. It allows for the development of non-linear movement and dynamic SVG effects through the use of custom HTML attributes that define keyframes. The system covers

screenfull.js is a JavaScript wrapper for the Fullscreen API that provides a unified interface for toggling, monitoring, and verifying the fullscreen state of web page elements. It functions as a cross-browser utility to manage how elements expand to fill the display. The library handles browser-specific differences by normalizing inconsistent vendor methods into a single interface. This ensures consistent behavior when implementing immersive web experiences or interactive media playback across different web browsers. The toolset covers fullscreen management, including capabilities for enter

Summernote is a JavaScript-based WYSIWYG rich text editor designed to transform standard web form elements into interactive document creation interfaces. It functions as an HTML5 text formatting tool that enables users to structure content, apply visual styles, and manage multimedia directly within a browser. The editor utilizes a modular architecture that allows for the registration of custom buttons and features at runtime. It manages document state through range-based selection tracking and event-driven synchronization, ensuring that formatting commands applied via the toolbar are accurate

Replicating and improving the lightbox module seen on Medium with fluid transitions.

Pretty, customisable, cross browser replacement scrollbars

Typing animation mimicking human behavior.