If you're looking for a platform to build fast apps and cut operational costs with enterprise-ready and secure features, Momento is a good option. Momento is an enterprise-ready, serverless platform that speeds up app performance and simplifies development. It comes with a low-latency data store and a serverless event bus for real-time messaging, along with instant scalability, reliability and security. Momento's pay-as-you-go pricing and free data transfer up to a monthly cap means it's also relatively inexpensive.
Another option is Backendless, a low-code app builder that offers a full set of tools to build high-performance apps quickly. It includes a visual UI builder, codeless logic for frontend development, and direct API integration for easy data management. Backendless supports responsive apps for web and mobile and offers real-time database capabilities, 18+ third-party authentication providers and customizable email and push notifications. Its flexible deployment options, including serverless, self-hosted and managed infrastructure, can meet different needs.
If you're looking for an open-source Firebase alternative, Supabase is a good option. It offers a Postgres database, user authentication, instant APIs, real-time subscriptions and storage. Supabase supports popular frameworks like Next.js, Svelte and Flutter, and offers features like edge functions for running custom code and real-time data synchronization. Its free tier offers unlimited API requests, 50,000 monthly active users and 500 MB database space, so it's a good option for developers.
Last, Neon is a serverless platform designed to let you build fast, scalable and reliable apps using Postgres as its database. It features fast provisioning, autoscaling and branching for isolated DB copies. Neon's optimized driver means fast queries, and it supports read replicas, point-in-time recovery and multiple languages and frameworks. Its tiered pricing model, including a free tier, means you can pick the best option for your needs.