Backend: Features
Backup Interface
Provides the ability to automatically make backups from your s9y, the database-tables, the whole database and the files. Only MySQL(i) databases are currently supported. WARNING: This plugin does not work well with large databases or directories.
Cronjob scheduler
This plugin periodically executes plugins that provide/require periodic tasks. See the configuration of this plugin for details.
DSGVO / GDPR: General Data Protection Regulation
This plugin aims to help blog owners apply conformity to the General Data Protection Regulation Act.
Display RSS-Feed in Backend Overview
Displays a RSS feed on the overview page (right after login) to the administration interface
Event-Calendar
Shows an event calendar inside your blogs with your normal blog design. It supports backend/frontend administration, multiple events and iCal export. (MySQL-only)
Guestbook
Shows a guestbook inside your blog with your normal blog design.
Linktrimmer
Allows you to truncate any link for redirection on your own blog, like tr.im, tinyurl.com etc.
POPfetcher
Fetches and publishes email and attachments from a POP3 email account (with special cell phone support)
Proxy Real-IP
Sets the correct Visitors IP when useing a Proxy for your webserver. Should be the first plugin in the list.
Serendipity Autoupdate
When the dashboard-plugin (once a day) detects an update, this plugin adds the option to manually download or start an automatic and secured upgrade of the blog directly with one click from within the adminarea.
Static Pages
Shows static pages inside your blog with your blogs design and all formattings. Adds a new menu item to the admin interface.
Template Editor
Edit the files of the currently used template directly form the adminarea.