Truepush - Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.
Userfeed - Product feedback made for Intercom
Pusher Beams - Send push notifications programmatically at scale
Fider - Fider is an open source, cross platform and free to use customer feedback platform for companies...
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.
ClearFlask - Open-source Product Feedback Tool with a Public Roadmap and Announcements.