Kuzzle
Best for self-hosting
Why teams pick it
Self-hostable with full control over deployment and data
Open-source alternatives to Supabase
Compare community-driven replacements for Supabase in backend-as-a-service (baas) workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.
Supabase
Supabase offers hosted Postgres database, authentication, storage, and real-time APIs. It provides SDKs, SQL support, and integrates with existing databases for full-stack app development.Read more
Key stats
- 16Alternatives
- 7Support self-hosting
Run on infrastructure you control
- 13Active development
Recent commits in the last 6 months
- 12Permissive licenses
MIT, Apache, and similar licenses
Counts reflect projects currently indexed as alternatives to Supabase.
Start with these picks
These projects match the most common migration paths for teams replacing Supabase.
Laf
Privacy-first alternative
Why teams pick it
Self-hostable on Kubernetes with Apache-2.0 license for full control
All open-source alternatives
Nhost
Open-source Firebase alternative delivering instant GraphQL backend
Active developmentPermissive licenseFast to deployTypeScript
Why teams choose it
- Instant GraphQL API powered by Hasura over PostgreSQL
- Built‑in authentication and file storage via Hasura modules
- Serverless functions with JavaScript/TypeScript support
Watch for
Tied to the Hasura ecosystem
Migration highlight
Flutter mobile app
Leverage the Dart SDK for authentication, storage, and GraphQL queries without managing backend infrastructure.
Kuzzle
Generic backend with API, storage, and realtime capabilities
Self-host friendlyActive developmentPermissive licenseJavaScript
Why teams choose it
- Multi-protocol API (HTTP, WebSocket, MQTT) with standardized endpoints
- Realtime pub/sub engine and database change notifications
- Advanced search and data persistence powered by Elasticsearch
Watch for
Requires Elasticsearch and Redis infrastructure dependencies
Migration highlight
IoT Device Network
Connect thousands of MQTT devices with realtime data ingestion, persistent storage, and live dashboard updates without custom infrastructure.
SurrealDB
Unified database and API platform for real‑time modern apps
Active developmentFast to deployIntegration-friendlyRust
Why teams choose it
- Built‑in real‑time API layer with WebSocket support
- Multi‑model storage: tables, documents, and graph in one engine
- ACID‑compliant transactions across single‑node and distributed clusters
Watch for
Learning curve for multi‑model schema and permission system
Migration highlight
Live collaborative editing tool
Provides instant data sync across users via WebSocket, eliminating a separate real‑time server.
Space Cloud
Instant realtime APIs for any database on Kubernetes
Permissive licenseIntegration-friendlyAI-powered workflowsGo
Why teams choose it
- Instant GraphQL/REST APIs for multiple databases
- Realtime queries and database‑triggered webhooks
- Horizontal autoscaling with zero‑scale capability
Watch for
Project is in maintenance mode with limited future development
Migration highlight
IoT telemetry dashboard
Realtime GraphQL queries stream sensor data directly to the UI without custom backend services.
Laf
Open-source cloud development platform with serverless functions and storage
Self-host friendlyActive developmentPermissive licenseTypeScript
Why teams choose it
- Browser-based WebIDE for instant function deployment with TypeScript/JavaScript
- Integrated MongoDB database and S3-compatible object storage
- Static website hosting with built-in domain and SSL management on Sealos
Watch for
Kubernetes knowledge required for self-hosted deployments outside Sealos
Migration highlight
Frontend-to-Full-Stack Transformation
React developers deploy authenticated APIs and database operations without backend team dependencies, shipping features end-to-end in hours instead of days.
Appwrite
End-to-end backend platform for web, mobile, and native apps
Self-host friendlyActive developmentPermissive licenseTypeScript
Why teams choose it
- Complete backend services: authentication, databases, storage, functions, and messaging in one platform
- Docker microservices architecture with self-hosting or managed cloud deployment options
- 20+ SDKs for web, mobile, and server frameworks with unified API design
Watch for
Docker dependency may add complexity for teams unfamiliar with containerization
Migration highlight
Multi-platform mobile and web application
Single backend powering iOS, Android, and web clients with unified authentication, real-time databases, and file storage across all platforms
Juno
Decentralized serverless platform with zero operational complexity
Self-host friendlyActive developmentPermissive licenseTypeScript
Why teams choose it
- Isolated WASM containers per project for exclusive control and security
- Complete backend suite: auth, datastore, storage, hosting, and serverless functions
- Decentralized infrastructure with zero operational complexity
Watch for
Decentralized infrastructure may introduce unfamiliar deployment patterns
Migration highlight
Decentralized SaaS Application
Launch a multi-tenant application with authentication, database, and file storage while maintaining full control over infrastructure and user data privacy.
UNDB
Self-hosted no-code database and BaaS powered by SQLite
Self-host friendlyPrivacy-firstFast to deployTypeScript
Why teams choose it
- No-code visual UI for table creation and management
- SQLite-backed storage with Excel‑like formula fields
- Built-in playground mode and OpenAPI RESTful API
Watch for
Scalability limited to SQLite constraints
Migration highlight
Rapid MVP backend for a mobile app
Create tables, define formula fields, and expose OpenAPI endpoints without writing server code.
Instant
Real-time database for your frontend with multiplayer by default
Active developmentPermissive licenseIntegration-friendlyClojure
Why teams choose it
- Relational queries with InstaQL that return data in the exact shape you need
- Multiplayer by default—every query syncs in real-time across all clients
- Automatic offline support with optimistic updates and rollback handling
Watch for
Limited to JavaScript, React, and React Native ecosystems currently
Migration highlight
Real-Time Chat Application
Build a fully functional multiplayer chat with offline support and optimistic updates in under 15 lines of code
PocketBase
Single‑file Go backend with realtime, auth, and file storage
Active developmentPermissive licenseIntegration-friendlyGo
Why teams choose it
- Embedded SQLite with realtime subscriptions
- Built‑in user authentication and file storage
- Browser‑based admin dashboard UI
Watch for
Pre‑1.0 release – backward compatibility not guaranteed
Migration highlight
Realtime chat application
Instant message delivery with automatic sync across browsers using built‑in realtime subscriptions.
Userbase
Add secure user accounts and encrypted storage to static sites
Permissive licensePrivacy-firstIntegration-friendlyJavaScript
Why teams choose it
- Built‑in user account management (sign‑up, login, logout)
- Zero‑management client‑side database
- End‑to‑end encryption with user‑controlled keys
Watch for
Database queries run in the browser, limited by client resources
Migration highlight
Personal task manager
Users sign up and keep their tasks encrypted locally, accessible across devices.
Nitric
Write code, let Nitric handle cloud infrastructure automatically
Active developmentPermissive licenseIntegration-friendlyGo
Why teams choose it
- Inline infrastructure defined directly in application code
- Cloud‑agnostic deployment across AWS, GCP, Azure, and Kubernetes
- Multi‑language SDKs (Go, TypeScript, Python, Dart, etc.)
Watch for
Learning curve for Nitric‑specific abstractions
Migration highlight
Serverless note‑taking app
Deploys an API endpoint and storage bucket with correct IAM in minutes
Convex
Reactive TypeScript database for live-updating web applications
Self-host friendlyActive developmentPrivacy-firstRust
Why teams choose it
- Reactive data synchronization with automatic client updates
- Pure TypeScript server functions with strong consistency
- Integrated database, runtime, and client libraries in one platform
Watch for
Rust-based backend may require specialized knowledge for deep customization
Migration highlight
Real-time Collaboration Tool
Build document editors or project management apps where multiple users see live updates without manual refresh logic
CloudBoost
Self-hosted backend platform combining data, realtime, and search
Self-host friendlyActive developmentPermissive licenseJavaScript
Why teams choose it
- Unified platform combining data storage, realtime sync, search, and authentication
- 100% data ownership with self-hosted deployment on any infrastructure
- Docker Compose setup for rapid deployment across cloud providers
Watch for
Requires managing MongoDB and Redis clusters including replication and sharding
Migration highlight
Collaborative SaaS Application
Build realtime document editing with user authentication, granular ACLs, and full-text search while maintaining complete data ownership on private infrastructure.
Parse Server
Self‑hosted Node.js backend compatible with MongoDB, PostgreSQL, and GraphQL
Active developmentPermissive licenseFast to deployJavaScript
Why teams choose it
- Supports MongoDB, PostgreSQL, and custom file adapters
- Built‑in Live Query for real‑time data
- GraphQL endpoint alongside REST API
Watch for
Requires self‑hosting and operational overhead
Migration highlight
Real‑time chat app backend
Live Query delivers instant message updates to connected clients
Triplit
Full-stack syncing database for server and browser real-time apps
Active developmentIntegration-friendlyTypeScript
Why teams choose it
- Real-time sync with property-level CRDT conflict resolution and delta patches
- Full client-side database with relational queries and offline-first operation
- Pluggable storage backends: SQLite, IndexedDB, LevelDB, Cloudflare Durable Objects
Watch for
AGPL-3.0 license requires source disclosure for modified server deployments
Migration highlight
Collaborative Task Management
Multiple users edit todos simultaneously with instant sync, offline editing, and automatic conflict resolution when reconnected
Choosing a backend-as-a-service (baas) alternative
Teams replacing Supabase in backend-as-a-service (baas) workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
- 7 projects let you self-host and keep customer data on infrastructure you control.
- 13 options are actively maintained with recent commits.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from Supabase.