MagicBell Uptime Monitor

Knock provides flexible, reliable notifications infrastructure designed to scale, offering APIs for user engagement, cross-channel workflows, and notification preference management.

Notifery is a centralized notification management platform that filters system event noise, captures events via API, organizes them into customizable zones and groups, and delivers real-time push notifications across devices for DevOps monitoring and team collaboration.

Pushinator streamlines push notification delivery with instant, secure, and scalable solutions for iOS and Android, equipped with robust analytics and developer-friendly integrations.

Pushsafer enables users to send and receive secure push notifications in real-time to multiple devices including smartphones, desktops, browsers, and Telegram with easy setup and multiple integration options.

Pushover is a cross-platform notification service that delivers real-time alerts to Android, iOS, and Desktop devices from various websites, services, and applications.

Simplepush is a push notification service that enables encrypted, actionable notifications for Android and iPhone devices with no sign-up required, offering a free tier and affordable annual subscription.