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Open Source Fauna Alternatives

A curated collection of the 5 best open source alternatives to Fauna.

The best open source alternative to Fauna is Supabase. If that doesn't suit you, we've compiled a ranked list of other open source Fauna alternatives to help you find a suitable replacement. Other interesting open source alternatives to Fauna are: TiDB, Convex, OceanBase, and FerretDB.

Fauna alternatives are mainly Backend-as-a-Service (BaaS) Tools but may also be Relational Databases (SQL) or NoSQL & Document Databases. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Fauna.

Piotr Kulpinski's profile

Written by Piotr Kulpinski

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Screenshot of Supabase website

Supabase is an open-source platform that revolutionizes backend development, providing developers with a comprehensive suite of tools to build modern applications quickly and efficiently. At its core, Supabase offers:

  • PostgreSQL Database: A powerful, scalable database with real-time capabilities, allowing you to build responsive applications that update instantly.
  • Authentication: Secure, customizable authentication systems supporting multiple providers, including email/password, social logins, and single sign-on.
  • Storage: Scalable object storage for managing and serving files, integrated seamlessly with your database and authentication systems.
  • Serverless Functions: Write and deploy custom logic without managing infrastructure, enabling you to extend your application's capabilities effortlessly.
  • Real-time Subscriptions: Build reactive applications that update in real-time across devices, enhancing user engagement and interactivity.
  • Auto-generated APIs: Instantly create RESTful and GraphQL APIs based on your database schema, accelerating development and reducing boilerplate code.
  • Dashboard: An intuitive web interface for managing your projects, databases, and services, making administration a breeze.

Supabase combines these features into a cohesive, developer-friendly platform that scales with your needs. Whether you're building a small prototype or a large-scale application, Supabase provides the tools and flexibility to bring your ideas to life quickly and efficiently. With its open-source nature, you benefit from a transparent, community-driven ecosystem and the freedom to self-host or use the managed cloud service.

Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.

Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.

Screenshot of TiDB website

TiDB is a powerful, open-source distributed SQL database that seamlessly combines online transactional processing (OLTP) with online analytical processing (OLAP) workloads. This innovative database solution offers:

  • Horizontal Scalability: Easily scale out to handle growing data volumes and user requests without sacrificing performance.
  • High Availability: Built-in fault tolerance and automatic failover ensure your data is always accessible.
  • Real-Time Analytics: Perform complex queries on fresh transactional data without impacting OLTP performance.
  • MySQL Compatibility: Leverage existing MySQL ecosystems and skills with minimal migration effort.
  • Cloud-Native Architecture: Designed for modern cloud environments, supporting containerization and orchestration.
  • HTAP Capabilities: Handle both transactional and analytical workloads in a single system, eliminating data silos.
  • Strong Consistency: Ensure data integrity with distributed transactions and ACID compliance.
  • Flexible Deployment: Run on-premises, in the cloud, or in hybrid environments to suit your needs.

TiDB empowers businesses to make data-driven decisions faster, simplify their database infrastructure, and reduce operational costs. Whether you're dealing with large-scale e-commerce, financial services, or IoT data, TiDB provides the performance, scalability, and reliability needed for modern applications.

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Screenshot of Convex website

Build your entire backend in pure TypeScript - from database schemas to queries, authentication to APIs. Your backend code lives alongside your frontend code with full type safety and AI-powered code generation.

Real-time synchronization guaranteed - your app automatically reflects changes to frontend code, backend code, and database state instantly. No need for complex state managers, cache invalidation policies, or manual websocket setup.

Backend essentials built-in - create cron jobs, trigger AI workflows, leverage built-in authentication, and access a growing ecosystem of components that solve common backend needs with simple npm installs.

Developer-friendly features:

  • End-to-end TypeScript with full autocomplete and type checking
  • Reactive queries that update your UI automatically
  • Built-in authentication and user management
  • Scheduled functions and background jobs
  • AI tool integration for enhanced code generation
  • Framework agnostic - works with React, Next.js, and more

Enterprise-ready security with SOC 2 Type II compliance, HIPAA compliance, and GDPR verification. Trusted by developers who want the simplicity of Firebase with the power and flexibility of a modern TypeScript-first platform.

Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

Screenshot of OceanBase website

OceanBase is a cutting-edge distributed relational database management system designed to handle massive-scale data processing with unparalleled performance and reliability. Built to meet the demands of modern enterprises, OceanBase offers:

  • Scalability: Easily scale out to handle petabytes of data and millions of transactions per second.
  • High Availability: Multi-paxos consensus algorithm ensures 99.999% uptime and strong data consistency.
  • Versatility: Supports OLTP, OLAP, and HTAP workloads, eliminating the need for separate systems.
  • Cost-Effective: Significantly reduces hardware costs and operational complexity compared to traditional databases.
  • Compatibility: Supports MySQL and Oracle protocols, facilitating seamless migration and integration.
  • Real-Time Analytics: Perform complex queries on live transactional data without impacting performance.
  • Multi-Tenancy: Efficiently isolate and manage multiple database instances within a single cluster.

OceanBase's innovative architecture combines the benefits of distributed systems with the familiarity of traditional relational databases, making it an ideal choice for organizations seeking to modernize their data infrastructure while maintaining operational continuity.

A database proxy that enables MongoDB compatibility with PostgreSQL backend, allowing seamless use of MongoDB tools and drivers while avoiding vendor lock-in.

Screenshot of FerretDB website

FerretDB is an innovative open-source solution that bridges MongoDB and PostgreSQL, enabling organizations to leverage MongoDB's powerful document database capabilities while using PostgreSQL as the storage backend.

Key benefits include:

  • True open-source freedom: Released under OSI-approved license, avoiding vendor lock-in
  • Seamless MongoDB compatibility: Works with existing MongoDB drivers, tools, and UIs
  • PostgreSQL foundation: Leverages the reliability and maturity of PostgreSQL
  • Flexible deployment: Run anywhere - on-premises, cloud, or with existing Postgres instances
  • Active development: Regular updates and growing feature set
  • Community-driven: Developed transparently with community involvement

FerretDB is ideal for organizations wanting MongoDB-style document database capabilities while maintaining control over their data and infrastructure.

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