Advanced Alert Scheduler od Saad Jennings

Advanced Alert Scheduler is an add-on for the Alerts & Updates Extension that offers sophisticated scheduling capabilities. Users can set complex schedules for alert messages, including multiple times per day, specific days of the week, and integration with external calendars.

Features
Complex Scheduling: Set multiple alert times per day and specific days of the week.
Calendar Integration: Sync with external calendars to trigger alerts based on events.
Recurring Alerts: Configure recurring alerts with advanced options.