Open Source Backend-as-a-Service (BaaS) Tools using Testing Library
A curated collection of the best open source cloud-based platforms providing backend services like databases, authentication, and storage. using Testing Library.
Postgres-powered backend platform for production apps
Stars
108,611Last commit
7 hours agoLicense
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Open Source Alternative to:
Build full-stack apps with TypeScript and real-time sync
Stars
12,448Last commit
2 days agoLicense
Unknown
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.
Open Source Alternative to:
Realtime client-side database for collaborative apps
Stars
10,498Last commit
18 hours agoLicense
Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Open Source Alternative to:
Serverless backend platform for modern app development
Stars
9,281Last commit
6 hours agoLicense
MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
Open Source Alternative to:
Build powerful backends without leaving your browser
Stars
6,833Last commit
2 years agoLicense
Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Open Source Alternative to:
Feature-rich backend that runs anywhere you need it
Stars
3,752Last commit
5 months agoLicense
Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
Stellar Hosted