Update the plugin to be compatible to Wordpress/Woocommerce version

I just need this plugin ( WCFM - Better messages) to be compatible with the latest version of WordPress and WCFM plugin. the developers stopped updating the plugin, but its open source, so it can be modified to meet our needs. I am looking for a WordPress plugin developer who will update it to the latest version and do any patches and security updates that may be required to avoid any vulnerabilities.