Formbuilder
[Needs Maintainer] Formbuilder is a small graphical interface for letting users build their own webforms.
Taggle.js
Form-ready dependency-less tagging.
At.js
Add Github like mentions autocomplete to your application.
Really Simple Color Picker
Simple Color Picker written in jQuery.
Magicsuggest
Multiple Selection Combo Box using Bootstrap 3
Nod
jQuery plugin that gives you frontend validation for forms.
Behave.js
A lightweight, cross browser library for adding IDE style behaviors to plain text areas
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.
Flexi Color Picker
A pure JavaScript color picker - no images, external libraries, CSS or 1px divs.
Resumable.js
A JavaScript library for providing multiple simultaneous, stable, fault-tolerant and resumable/restartable uploads via the HTML5 File API.
Hide Show Password
Because life's too short to waste time re-typing passwords.
Progression.js
A jQuery plugin that gives users real time hints & progress updates as they complete forms
Bootstrap Wysiwyg
Tiny bootstrap-compatible WISWYG rich text editor
Signal R
Incredibly simple real-time web for .NET
Tus Jquery Client
A jquery plugin implementing the tus resumable upload protocol.
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!
H5F
A JavaScript library that allows you to use the HTML5 Forms chapters new field input types, attributes and constraint validation API in non-supporting browsers.