Open-source backend-as-a-service tools. To compare with Stack0.

Supabase

Backend as a Service

The Postgres development platform. Supabase gives you a dedicated Postgres database to bui

PocketBase

Backend as a Service

Open Source realtime backend in 1 file

Appwrite

Backend as a Service

Appwrite is an open-source developer platform with Auth, Databases, Storage, Functions, Me

Novu

Backend as a Service

The open-source communication infrastructure for agents and products

Directus

CMS

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin pane

Hasura

Backend as a Service

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access cont

PostgREST

Backend as a Service

REST API for any Postgres database

SpacetimeDB

Databases

Development at the speed of light

LiveKit

Backend as a Service

End-to-end realtime stack for connecting humans and AI

Parse Server

Backend as a Service

Parse Server for Node.js / Express

OpenIM

Backend as a Service

IM Chat OpenClaw

Gotify

Backend as a Service

a simple server for sending and receiving messages

Convex

Backend as a Service

The open-source reactive database for app developers

Encore

Backend as a Service

The infrastructure platform for the intelligence era

Centrifugo

Backend as a Service

Centrifugo is an open-source real-time messaging server — a self-hosted alternative to Pub

Nhost

Backend as a Service

The Open Source Firebase Alternative with GraphQL.

Fonoster

Backend as a Service

🚀 The open-source alternative to Twilio.

Deepstream.io

Backend as a Service

deepstream.io server

TrailBase

Backend as a Service

An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, buil

Mercure

Backend as a Service

🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communicatio

WuKongIM

Backend as a Service

More than just IM 不只是即时通讯(IM)

pREST

Backend as a Service

PostgreSQL ➕ REST, low-code, simplify and accelerate development, ⚡ instant, realtime, hig

JuggleIM

Backend as a Service

IM Chat, High-performance, scalable, self-hosted instant messaging server in Go — private

Medplum

Backend as a Service

Medplum is a healthcare platform that helps you quickly develop high-quality compliant app

OpenVidu

Video Conferencing

OpenVidu Platform: self-hosted real-time video and audio for your apps, built on LiveKit a

PocketHost

Backend as a Service

Open source multitenant PocketBase server

Conduit Platform

Backend as a Service

Batteries-included backend that works with any stack.

Para

Backend as a Service

Multitenant backend server for building web and mobile apps rapidly. The backend for busy

1Backend

Backend as a Service

Build AI (or any) apps with scalable microservices & microfrontends.

CloudBoost

Backend as a Service

Realtime JavaScript Backend.

FastSchema

Backend as a Service

All-in-One Backend as a Service with Headless CMS Power

Space Cloud

Backend as a Service

Open source Firebase + Heroku to develop, scale and secure serverless apps on Kubernetes

Heroku Free Alternatives

Backend as a Service

Free tier of Heroku Dynos, Postgres and Data for Redis will no longer be available after N

Hook

Backend as a Service

A RESTful and extendable Backend as a Service that provides instant backend to develop sit

BuildShip

Backend as a Service

Low-code Visual Backend Builder, powered by AI ✨ Create APIs, scheduled jobs, backend task