Open Source Backend-as-a-Service (BaaS) Tools using npm
A curated collection of the best open source cloud-based platforms providing backend services like databases, authentication, and storage. using npm.
Postgres-powered backend platform for production apps
Stars
112,378Last commit
4 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:
Open-source backend in a single file
Stars
61,511Last commit
6 days agoLicense
MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open Source Alternative to:
Build full-stack apps with TypeScript and real-time sync
Stars
12,733Last commit
4 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:
Accelerate backend development with effortless scalability
Stars
12,471Last commit
4 hours agoLicense
MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Open Source Alternative to:
Serverless backend platform for modern app development
Stars
9,363Last 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:
Feature-rich backend that runs anywhere you need it
Stars
3,775Last commit
26 days 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.
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