Select 2
Classic select
Multiple select

With HTML in option
Tags
Color pickers
HEX

RGB

WWW13111COM

Very userfull features for better user experience.
Datetime pickers
Daterangepicker

Datepicker

Timepicker

Datetimepicker
Masked inputs
Phone (+999 999 999 999)
Product key (a*-999-a999)
Date of birth (99/99/9999)
Hello
Autosize textarea
Char counter
Max length

Switch buttons
Various sizes
Various colors

Password strength
Type your password and see what happens

Fileinput
Classic file input converted to more user friendly
Mention
Mention (GitHub style)

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What You See Is What You Get
WYSIWYG Editor