Alertify Plus by Lynesha

Multiple Notification Sources: Receive alerts and updates from news websites, social media platforms, email providers, and more.
Customizable Notifications: Choose which sources to receive notifications from and customize notification settings such as sound, duration, and appearance.
Real-time Updates: Get instant notifications as soon as new information is available, ensuring you never miss important updates.
Notification History: View a history of past notifications and revisit important updates at any time.
Cross-Platform Support: Access notifications across multiple devices synced with your Firefox account.