Self-hosted Backend-as-a-Service (BaaS) Tools
A curated collection of the best self-hosted cloud-based platforms providing backend services like databases, authentication, and storage.
Postgres-powered backend platform for production apps
Stars
108,611Last commit
6 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
60,886Last commit
2 days agoLicense
MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open Source Alternative to:
Open-source backend platform for rapid app development
Stars
57,174Last commit
3 hours agoLicense
BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
Open Source Alternative to:
Open-source data platform for effortless content management
Stars
37,657Last commit
2 days agoLicense
Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.
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:
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:
Local-first, offline-first no-code database platform
Stars
2,974Last commit
1 year agoLicense
AGPL-3.0
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
Stellar Hosted