Download > Install > Activate. That's it!

This plugin is not affiliated with Really Simple Systems.

Just click the new icon/name on the left admin dashboard menu. To change the position, edit the number after 'dashicons-chart-pie', in the code.

This code can be pasted into the functions.php file of your child theme or, download and install the plugin for simple code activation.

/*
Plugin Name: Lightweight Plugins - Really Simple Systems Unofficial
Plugin URI: https://lightweightplugins.com/plugin/really-simple-systems-unofficial
Description: Adds a link to Really Simple Systems's login/dashboard on the WordPress Dashboard navigation.
Version: 1.5
Author: WP Maintenance Experts
Author URI: https://wpmaintenanceexperts.com/
License: GPLv2 or later
*/

function lightweight_plugins_add_rsscms_to_admin() {
    add_menu_page( 'lightweight_plugins_add_rsscms_to_admin', 'Really Simple Systems', 'read', 'https://crm.reallysimplesystems.com', '', 'dashicons-chart-pie', 1 );
}
add_action( 'admin_menu', 'lightweight_plugins_add_rsscms_to_admin' );


function lightweight_plugins_open_rss_new_tab() {
    ?>
    
        jQuery(document).ready( function($) {
            $( "ul#adminmenu a[href$='https://crm.reallysimplesystems.com']" ).attr( 'target', '_blank' );
        });
    
    <?php
}
add_action( 'admin_head', 'lightweight_plugins_open_rss_new_tab' );