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.
Nod
jQuery plugin that gives you frontend validation for forms.
Filepond
🌊 A flexible and fun JavaScript file upload library
Angular Datepicker
calendar and datepicker directives for angular
Color Picker
React ColorPicker
X Sound
XSound gives Web Developers Powerful Audio Features Easily !
Formbuilder
[Needs Maintainer] Formbuilder is a small graphical interface for letting users build their own webforms.
Angular Validation
Customizing Form Valid Message in AngularJS
Zxcvbn
zxcvbn, named after a crappy password, is a JavaScript password strength estimation library. Use it to implement a custom strength bar on a signup form near you!
Validate.js
Lightweight JavaScript form validation library inspired by CodeIgniter.
Multi Select
A user-friendlier drop-in replacement for the standard select with multiple attribute activated.
Angular Formly
JavaScript powered forms for AngularJS
Filereader.js
A lightweight wrapper for the JavaScript FileReader interface
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.