Pusher Beams - Send push notifications programmatically at scale
Batch - Batch is an intelligent push notifications platform for mobile apps.
PushOwl - Re-engage website visitors with push notifications
SuperSalon - Customizable, cloud-based salon management & POS software
Push More - Receive webhook requests in Telegram
OneSignal - Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.