WordPress Plugin Maker (stand-alone tools) can build a complete plugin code and also you can develop a WordPress Plugin that customized features very quickly. like image size, custom post type or database, toolbox (metabox), admin bar (toolbar), shortcode and quicktags, plugin option, widget front-end/back-end, WP Ajax nopriv & auth, insert CSS, insert JS, Top-level admin menu, tinymce plugin and other.
Demo: https://codecanyon.net/item/wordpress-plugin-maker-freelancer-version/13581496
source http://www.codelist.cc/scripts/243284-iwp-devtoolz-v2-wordpress-plugin-maker.html