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Appwrite

Open-source backend-as-a-service platform

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Appwrite is an open-source BaaS platform with 56K+ GitHub stars providing authentication, databases, storage, functions, messaging, and real-time APIs out of the box. Self-hostable alternative to Firebase with 15+ client and server SDKs. Features OAuth login with 30+ providers, document-based database with queries, file storage with image transforms, serverless functions, and push notifications. Docker-based deployment with a web console for management.

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Appwrite is an open-source backend-as-a-service platform that provides developers with pre-built APIs and SDKs for authentication, databases, file storage, serverless functions, real-time events, messaging, and frontend hosting. It eliminates the need to build common backend infrastructure from scratch, enabling teams to ship applications faster while maintaining full control over their data and infrastructure. The platform supports multiple authentication methods including email, OAuth providers, anonymous sessions, and magic links, with built-in session management, JWT token handling, and GDPR-compliant data encryption at rest and in transit.

The architecture runs as a set of Docker microservices that deploy identically on local development machines, VPS servers, Kubernetes clusters, or Appwrite's managed cloud infrastructure. Official SDKs cover Web, Flutter, iOS, Android, React Native, Node.js, Python, Ruby, and more, enabling cross-platform development from a single backend. Serverless functions execute custom logic in Node.js, Python, Ruby, PHP, and Dart, triggered by events or HTTP endpoints. Recent additions include Appwrite Messaging for email, SMS, and push notifications through a unified API, and Appwrite Sites for static and server-side rendered frontend hosting.

Self-hosted Appwrite is completely free with no usage limits or feature restrictions, making it the most accessible open-source BaaS available. The managed Cloud offering starts with a free Starter tier, a Pro plan at $25 per month per project with 2TB bandwidth and dedicated resource pools, and Scale and Enterprise tiers for larger applications. The platform holds a unique position as the most complete open-source alternative to Firebase, offering comparable convenience without vendor lock-in while maintaining data sovereignty for privacy-conscious organizations and regulated industries.

Pricing

Free open-source / Cloud Free / Pro from $25/mo

Platforms

Self-hosted, Docker, Cloud, 15+ SDKs

Categories

Self-Hosted PlatformsDevOps & Deployment

Tags

Open SourceTypeScriptDockerSelf-Hosted

Use Cases

Full-Stack DevelopmentSelf-Hosted Deployment

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Comparisons

Supabase vs Appwrite — PostgreSQL-Powered BaaS vs Self-Hosted Backend Platform

Supabase and Appwrite are both open-source Backend-as-a-Service platforms positioned as Firebase alternatives, but they take fundamentally different approaches. Supabase is built on PostgreSQL with full SQL access, real-time subscriptions, and a managed cloud that scales to enterprise use. Appwrite uses a document-oriented database abstraction with Docker-based microservices, supporting functions in 10+ languages and offering stronger self-hosting flexibility.

SupabaseAppwrite

Appwrite vs Supabase vs PocketBase — Open-Source Backend Comparison

Open-source backend platforms have matured into genuine Firebase alternatives in 2026, each offering a different philosophy of data ownership, developer experience, and scalability. Supabase builds on PostgreSQL with a relational-first approach, Appwrite provides a comprehensive all-in-one platform via Docker microservices, and PocketBase delivers a single-binary backend requiring zero external dependencies. This comparison evaluates their architectures, feature sets, pricing, and ideal use cases.

AppwriteSupabasePocketBase

Supabase vs Appwrite vs Firebase — Backend-as-a-Service Comparison

Choosing a Backend-as-a-Service platform is one of the most consequential architecture decisions for any application. Supabase offers PostgreSQL power with open-source flexibility, Firebase provides Google's battle-tested mobile ecosystem, and Appwrite delivers self-hosted-first vendor independence. This comparison evaluates database capabilities, pricing, vendor lock-in, and developer experience to help you make the right choice.

SupabaseAppwriteFirebase