Para is a flexible and cost-effective back-end service based on open source software. It helps developers build their products faster by focusing on the front-end. Free plans available.

Firebase is described as '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' and is a popular backend as a service in the development category. There are more than 100 alternatives to Firebase, not only websites but also apps for a variety of platforms, including Self-Hosted, Linux, SaaS and Mac apps. The best Firebase alternative is Supabase, which is both free and Open Source. Other great sites and apps similar to Firebase are TrailBase, Directus, Appwrite and PocketBase.
Para is a flexible and cost-effective back-end service based on open source software. It helps developers build their products faster by focusing on the front-end. Free plans available.

Convex is the open-source backend for application builders. An all-in-one platform with thoughtful, product-centric APIs.
100% Free & complete backend solution for individual freelancers to giant enterprises. 🏆 No.1 backend API generation & development solution. 🏆


Scalable cloud backend platform for enterprise applications, consumer apps, mobile games and the Internet of Things (IoT).
App42 Cloud APIs provides a range of 500+ MBaaS APIs for developers to build and deploy their mobile, web, tv Apps on the cloud.
built.io is raw engineering's proven mobile and web application development platform, designed from the ground up for the enterprise. By powering the entire backend – servers, cloud infrastructure, database, scaling – and delivering built-in enterprise app functionality...
SapphireDb is an open source library that enables you to easily create your own application with realtime data synchronization. It extends your Asp.Net Core Application with EF Core and combines the advantages of firebase and .Net Core together.

Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.

Hasura makes data access easy, by instantly composing a GraphQL API that is backed by databases and services so that the developer team (or API consumers) get immediately productive. The nature of GraphQL itself and Hasura’s dynamic approach makes integration and iteration easy.
An advanced Mobile Behavioral Analytics & Engagement Platform with Trend Analysis, Push Notifications, and Campaign Automation.




Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality to web and mobile apps.
