JavaScript & CSS bootstrap

Latest free pure JavaScript and/or CSS extensions for the famous Bootstrap 5/4/3 framework.

Lightweight Loading Overlay Plugin For Bootstrap 5 – AvalynxLoader

Category: Javascript , Loading | February 26, 2026

A lightweight JavaScript plugin for Bootstrap 5 that displays a loading overlay with an animated spinner over specified DOM elements.

Category: Javascript , Table | February 26, 2026

A tiny JavaScript library that makes Bootstrap 5 HTML tables look good and function well on mobile devices.

Category: Javascript , Notification | February 24, 2026

A lightweight JavaScript alert system that leverages Bootstrap for adding slick, professional alerts to web projects.

Category: Form , Javascript | February 13, 2026

Tired of hand-coding forms in HTML? Bootstrap Form Builder is a tiny library for generating forms dynamically with Bootstrap 5 styling.

Category: Frameworks , Javascript | February 4, 2026

Use Shadstrap for a shadcn/ui look in your Bootstrap projects. Leverages Bootstrap grid, utilities, JS components, and FontAwesome.

Category: Frameworks , Javascript , Recommended | December 8, 2025

A pure JavaScript/CSS UI Kit to help you quickly build Material Design web applications using Bootstrap 5 and 700+ built-in UI components.

Category: Form , Javascript | November 30, 2025

A vanilla JavaScript (ES6) extension to Bootstrap 5 (and Bootstrap 4) that converts a multi-select box into a user-friendly tags input component.