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.
MyStory.today - MyStory.
Truepush - Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.
Inkspired - Inkspired is one of the largest platforms that help professional and new writers/readers to discover, publish, and write creative stories or books.
PushCrew - Push Notifications for Websites
YourQuote - YourQuote is an interactive mobile app that helps you to write stories, quotes, screenplays, poems, and books.