57.5k
Pocketbase
An open-source, realtime backend system condensed into a single file. It provides instant APIs and a stylish admin UI for managing your apps effortlessly.
👨💻
Development🔁
API💾
Database
6 Open Source Alternatives to Supabase
Looking for an open-source alternative to Supabase? Below are 6 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
55.7k
Appwrite
Appwrite is an open-source backend server for Web, Mobile, and Flutter developers. It provides a set of easy-to-use REST APIs for managing authentication, databases, storage, and more.
👨💻
Development🔁
API💾
Database🔑
Authentication
18.7k
SpacetimeDB
SpacetimeDB is a high-performance multiplayer database designed for real-time game and application development, enabling low-latency synchronization and seamless state sharing between clients.
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Database🎮
Game Development🏎️
Performance👨💻
Development
14.1k
Gel
Gel supercharges Postgres with a modern data model, graph queries, authentication, AI solutions, and more, turning databases into versatile platforms.
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Database🤖
AI👨💻
Development🔁
API
11.2k
Convex-backend
The open-source reactive database for app developers, designed to simplify and accelerate the development process.
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Database👨💻
Development🔁
API
9.1k
Nhost
Nhost is an open-source platform providing a Firebase alternative with GraphQL support.
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API🔑
Authentication🏠
Self-Hosted💾
Database
Frequently asked questions
What are the best open-source alternatives to Supabase?
The top picks from this list are Pocketbase, Appwrite, SpacetimeDB — all maintained, free to use, and self-hostable.
Are these alternatives to Supabase free?
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to Supabase?
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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