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.
There are 6 open-source alternatives to Supabase in this directory. The most popular is Pocketbase with 57.5k GitHub stars, followed by Appwrite(55.7k stars). All are open source, free to use, and many can be self-hosted.
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | 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. | 57.5k | Go | MIT License |
| 2 | 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. | 55.7k | TypeScript | BSD 3-Clause "New" or "Revised" License |
| 3 | 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. | 18.7k | Rust | Other |
| 4 | Gel Gel supercharges Postgres with a modern data model, graph queries, authentication, AI solutions, and more, turning databases into versatile platforms. | 14.1k | Python | Apache License 2.0 |
| 5 | Convex-backend The open-source reactive database for app developers, designed to simplify and accelerate the development process. | 11.2k | Rust | Other |
| 6 | Nhost Nhost is an open-source platform providing a Firebase alternative with GraphQL support. | 9.1k | TypeScript | MIT License |
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.
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.
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.
Gel supercharges Postgres with a modern data model, graph queries, authentication, AI solutions, and more, turning databases into versatile platforms.
The open-source reactive database for app developers, designed to simplify and accelerate the development process.
Nhost is an open-source platform providing a Firebase alternative with GraphQL support.
The top three are Pocketbase(57.5k stars), Appwrite(55.7k stars), SpacetimeDB(18.7k stars). All are open source and free to use.
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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