The minimum code required that allows the user configure and add an shortcode to the page contents using a popup form that is accessible through the TinyMCE content editor.
Suitable for developers that wish to provide their users with an easy way of adding your custom shortcodes. The plugin provides an abstract shortcode class that can be extended and registered into the shortcode factory. Which will result in the shortcodes showing up in the dropdown menu.

Minimal Shortcode UI

Allows theme/plugin developers to make their custom shortcodes easily accessible to their users through a modal dialog from the content editor.

Tom Baumgarten

SPS is a simple plugin to create a slider of pictures and display it with a shortcode or PHP code. Few options to keep it simple, but fast and efficient. Some hooks to improve the slider or to configure it more specifically. Good plugin for developers, with possibility to control what your client can edit or not in the advanced options. 
Compatible with ACF, you can put field groups for every slide. It’s possible to override template files for displaying the fields.

Simple Pictures Slider

A simple plugin to display a picture slider. Light, efficient and compatible with ACF. Best for developers.

Minimal Shortcode UI vs Simple Pictures Slider