The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

SuprSend is described as 'Provides scalable notification infrastructure to trigger workflow-based transactional notifications, run CRONs, and engagement campaigns' and is an app in the office & productivity category. There are more than 10 alternatives to SuprSend for a variety of platforms, including Web-based, SaaS, Self-Hosted, Google Chrome and Safari apps. The best SuprSend alternative is Supabase, which is both free and Open Source. Other great apps like SuprSend are Firebase, Novu, InstantDB and OpenPush.
The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

Firebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.


Novu provides a unified API that makes it simple to send notifications through multiple channels, including In-App, Push, Email, SMS, and Chat. With Novu, you can create custom workflows and define conditions for each channel, ensuring that your notifications are delivered in...



Instant is for building real-time and offline-enabled applications. We make it easy to build collaborative products like Notion or Figma.
The OpenPush project aims to create a free and open source self-hosted replacement for Android Push Notifications usually sent through Google's proprietary Firebase Cloud Messaging platform.
OneSignal is a free and multi-platform mobile push notification service designed for Websites and mobile applications.





WebEngage is a multi-channel marketing automation platform which automates communication across users' life-cycle. It lets businesses connect with users via - Web Messages, In-App Messages, Push Notifications, Emails & Text Messages.




Flexible notifications infrastructure offering API-driven cross-channel messaging, fast deployment, preference management, instant scaling, multi-channel support, pay-as-you-go pricing, and reduced engineering effort for high-volume communications.


Add a facebook style real-time notification feed to your website or web application dashboard. Also, send native browser push notifications when your users are away from your website.



Personalized Browser Push Notifications.Customers can Target Desktop and Mobile users on Chrome, Safari and Firefox through Push Notifications.