Garlic.js
Garlic.js allows you to automatically persist your forms' text and select field values locally, until the form is submitted. This way, your users don't lose any precious data if they accidentally close their tab or browser.
Pickadate.js
lightweight jquery date selector with multi-language support
Datedropper
datedropper is a jQuery plugin that provides a quick and easy way to manage dates for input fields.
J Query Mask Plugin
A jQuery Plugin to make masks on form fields and HTML elements.
Jquery Tokeninput
Tokeninput is a jQuery plugin which allows your users to select multiple items from a predefined list, using autocompletion as they type to find each item. You may have seen a similar type of text entry when filling in the recipients field sending messages on facebook.
Sapphire Db
SapphireDb Server, a self-hosted, easy to use realtime database for Asp.Net Core and EF Core
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
Mailcheck
Email domain spelling suggester
Pikaday
A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS
Colorpicker
jQuery UI widget for color picking (similar to the one in Microsoft Office 2010).
Darken
🌑 Dark mode made easy
Content Tools
A JS library for building WYSIWYG editors for HTML content.
Fort.js
Modern progress bar for form completion.