Rivery.io - Rivery is a web-based development platform that is used to manage, create, control, and monitor a large number of data pipelines.
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.
Decision.io - Decision.io is an interesting platform that provides you the simple features to develop the app or an integrated workflow without using any program language or code.
Truepush - Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.
EntelliFusion - Data Fabric
PushCrew - Push Notifications for Websites