Question: I need a solution that can handle large-scale real-time data synchronization for my application, can you suggest something?

If you need a service to handle large-scale real-time data synchronization for your app, Ably is a good option. It provides a variety of APIs for building and delivering powerful apps with real-time data broadcasting, data synchronization and multiplayer collaboration. Ably supports 25+ client and server libraries, including React, PHP, iOS and Web, and has a 99.999% uptime SLA and strong data integrity.

Another good option is Supabase, an open-source Firebase alternative that includes a Postgres database, user authentication, instant APIs, real-time subscriptions and storage. It supports frameworks like Next.js, Svelte and Flutter, and comes with a variety of templates for common use cases. Supabase offers a free tier with unlimited API requests, 50,000 monthly active users and 500 MB database space, as well as Pro, Team and Enterprise plans for more advanced needs.

If you're looking for a service that's all about real-time communication, PubNub is a good choice. It offers chat, push notifications and geolocation features, along with tools to manage and optimize real-time apps. PubNub handles millions of device connections and API calls per month and offers no-code tools for user and data management, so it's good for live audience engagement, multi-user collaboration and more.

Last, Estuary offers a real-time data integration platform for change data capture (CDC), ETL and streaming pipelines. With features like 100+ no-code connectors, stream-store-replay, and materialization, Estuary offers sub-100ms end-to-end latency and flexible materializations. It's good for agile DataOps and can automate data pipelines with schema evolution, so you can ensure reliable and efficient data integration.