Full-feature Online Spreadsheet In Vanilla JavaScript – Luckysheet
Luckysheet is an open-source, dependency-free JavaScript library to create a full-featured, Google Sheets-like online spreadsheet app.
Recommended
Full-featured Data Table JavaScript Library – Grid.js
Grid.js is a tiny yet advanced, feature-rich, developer-friendly data table/grid library for representing tabular data on the web.
Draggable/Droppable/Sortable Components In Vanilla JavaScript – Agnostic Draggable
An easy-to-use, framework-agnostic drag’n’drop JavaScript library that enables any element to be draggable, droppable, and sortable.
Handling Timezone In JavaScript – Spacetime
Spacetime is a pure JavaScript library used to manipulate, traverse, compare, and format dates and times across planet Earth.
Feature-rich Framework-agnostic Touch Slider Library – keen-slider
keen-slider is a multifunctional, framework-agnostic slider library that can be used to transition between any elements with touch & drag events.
CSS Library For Accessibility Testing – Checka11y.css
A pure CSS accessibility testing library to detect missing attributes and html tags needed for web accessibility.
Draggable Kanban Boards In Vanilla JavaScript – jKanban
A vanilla JavaScript kanban library to manage your works, jobs, tasks, and any other types of events in categorized kanban boards.
Annotating An Image In JavaScript – Annotorious
Annotorious is a simple yet feature-rich JavaScript image annotation library that adds custom comments, notes, tags to a specific part of an image.
Minimalist Front-end Framework – bwb
An ultra-light front-end framework that comes with a set of most commonly used UI components for faster web development.
Elegant Any Content Gallery Lightbox In Pure JavaScript – GLightbox
GLightbox is a simple yet powerful, mobile-friendly gallery lightbox plugin written in pure JavaScript and CSS/CSS3.