Sniply - Sniply is a content marketing tool providing social media conversion.
PubNub - PubNub is a real-time messaging system for web and mobile apps that can handle API for all platforms and push messages to any device anywhere in the world in a fraction of a second without having to worry about proxies, firewalls or mobile drop-offs.
PushEngage - Personalized Browser Push Notifications.
Ably - Serious realtime infrastructure
DeepLink - Deeplink is a deep linking platform for native apps, enabling app developers to link to specific pages inside their apps.
Pusher - Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.