Open Source Firebase Alternatives

Supabase is a free and open-source self-hosted and SaaS provided alternative to Firebase. With Supabase you can add a realtime REST API to a PostgreSQL without writing a single line of code.

Hasura is a software development tool that lets you build real-time GraphQL APIs for a PostgreSQL database. The software is free and open source, while enterprise features are provided at a cost. Hasura is perfect for building GraphQL powered microservices and 3factor applications.

As a mobile or front-end web developer, the complicated task of building and structuring a backend can be a daunting task. AWS Amplify is a tool built by Amazon as an end-to-end solution for building and deploying secure, scalable full stack applications, and ease that burden. With the Amplify CLI, you get a guided workflow to set up best-in-class backends for authentication, storage, APIs. With Amplify Libraries, you can connect your application with current technologies such as Android, iOS, React, Flutter, Amazon Cognito, Amazon S3 and AI/ML. And when it is time to ship, the Amplify Console got can help you to deploy and host scalable static websites and single page web apps with a Git-based workflow.

PostgREST is a standalone web server and development tool that automatically turns your PostgreSQL database into a RESTful API.

Couchbase, originally known as Membase is an award-winning, open-source, distributed multi-model NoSQL and document-oriented cloud database. It is designed and optimized for interactive applications and may serve many concurrent users by creating, storing, retrieving, aggregating, manipulating and presenting data. Couchbase delivers unmatched versatility, performance, scalability, and financial value across cloud, on-premises, hybrid, distributed cloud, and edge computing deployments.

RxDB is short for Reactive Database and is a NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps and NodeJs. Reactive means that you can not only query the current state, but subscribe to all state changes like the result of a query or even a single field of a document. This is great for UI-based realtime applications in way that makes it easy to develop and also has great performance benefits. To replicate data between your clients and server, RxDB provides modules for realtime replication with any CouchDB compliant endpoint and also with custom GraphQL endpoints.

Prisma is a free and open source modern database access layer for TypeScript and Node.js. The software aims to make database access easier with an auto-generated and type-safe query builder that's tailored to your database schema. Prisma is a new take on the traditional ORMs and SQL query builders found in many frameworks and development solutions today. By providing a single access layer that works across databases and technologies Prisma creates what they believe to be the feature of database access and management. Prisma ships with the Prisma Client, a tool that makes it easy to reason about your database queries, so that you can focus on your data and application rather than complex SQL queries or ORM models. With Prisma you can create your own GraphQL or REST API that can access different types of databases including PostgreSQL, MongoDB and MySQL.

Strapi is a free and open source headless CMS developed with JavaScript for Node.js. The software makes it really simple to generate REST and GraphQL APIs. Simply create your database schema and relationships in the Strapi admin panel UI, and Strapi will auto-generate API endpoints to represent the data structures provided. Strapi comes packed with features you come to expect from normal CMS's such as authentication, authorization, content management and a media library. The software can be used for free and can be self-hosted on any server and platform. Extra enterpise functionallity is currently being developed, and will be sold at cost.

Kuzzle is a Backend-as-a-Service provider that can be used by developer to build applications for web or mobiles, quicker. Kuzzle handles user authentication, push notifications, data storage, and realtime data transfer. With Kuzzle developers can focus on building features for their applications instead of setting up and managing servers and connecting technologies. Kuzzle integrates with Redis and Elasticsearch and currently supports development with JavaScript, C#, and Java.

Parse is a free, open-source complete application stack that can be used to build applications faster. Parse includes object and file storage as part of the stack while also providing easy to use components for dashboard, user authentication, push notification and much more. The projects inclueds a client SDK that makes it easy to build applications for mobile, desktop or the web.