Quill
A cross browser rich text editor with an API
Alpine
A rugged, minimal framework for composing JavaScript behavior in your markup.
Tsparticles
tsParticles - Easily create highly customizable particles animations and use them as animated backgrounds for your website. Ready to use components available for React.js, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Inferno, Solid, Riot and Web Components.
Selectize.js
Selectize is the hybrid of a textbox and <select> box. It's jQuery based and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.
Forms Angular
Probably the most opinionated framework in the world
Sc Editor
A lightweight HTML and BBCode WYSIWYG editor
Filepond
🌊 A flexible and fun JavaScript file upload library
Fancy Input
Makes typing in input fields fun with CSS3 effects
Multi Select
A user-friendlier drop-in replacement for the standard select with multiple attribute activated.
Form2js
Javascript library for collecting form data
Taggle.js
Form-ready dependency-less tagging.
Angular Validation
Customizing Form Valid Message in AngularJS
Resumable.js
A JavaScript library for providing multiple simultaneous, stable, fault-tolerant and resumable/restartable uploads via the HTML5 File API.
Sisyphus
Gmail-like client-side drafts and bit more. Plugin developed to save html forms data to LocalStorage to restore them after browser crashes, tabs closings and other disasters.
Validetta
A tiny jquery plugin for validate your forms
Angular Formly
JavaScript powered forms for AngularJS
Nod
jQuery plugin that gives you frontend validation for forms.