Quill
A cross browser rich text editor with an API
Alpine
A rugged, minimal framework for composing JavaScript behavior in your markup.
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.
Sc Editor
A lightweight HTML and BBCode WYSIWYG editor
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!
Filepond
🌊 A flexible and fun JavaScript file upload library
Angular Validation
Customizing Form Valid Message in AngularJS
Forms Angular
Probably the most opinionated framework in the world
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.
Multi Select
A user-friendlier drop-in replacement for the standard select with multiple attribute activated.
Form2js
Javascript library for collecting form data
Magicsuggest
Multiple Selection Combo Box using Bootstrap 3
Unform
Performance-focused API for React forms 🚀
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.
Resumable.js
A JavaScript library for providing multiple simultaneous, stable, fault-tolerant and resumable/restartable uploads via the HTML5 File API.
Taggle.js
Form-ready dependency-less tagging.
Angular Formly
JavaScript powered forms for AngularJS