Frontend Admin Premium by DynamiApps is a WordPress Plugin through which one can create forms to edit website content without access to the WordPress admin panel, letting users edit posts and pages to user data and custom fields. Upgrade to premium includes limits on form submissions, editing global site options, and generating PDFs from submissions.

Advanced Custom Fields ACF Frontend Form Element Pro | This awesome plugin allows you to easily display admin forms to the frontend of your site so your clients can easily edit content on their own from the frontend – Shabti Kaplan – Dynamiapps