Top 12 Open-Source Alternatives to Firebase

Product categories

API Tools APIs Analytics App Development Backend As A Service CRM CSS Framework Design Tools Developer Tools Mobile Push Messaging Realtime Backend / API Web Push Notifications

Summary

The top open-source alternatives to Firebase are Supabase, OneSignal, and Socket.io. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Supabase Landing Page
1

Supabase

An open source Firebase alternative
Pricing:
- Open Source
#Developer Tools #Realtime Backend / API #Backend As A Service 429 social mentions
OneSignal Landing Page
2

OneSignal

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Pricing:
- Open Source
- Freemium
- Free Trial
- $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )
#Mobile Push Messaging #Web Push Notifications #Push Notifications 25 social mentions
Socket.io Landing Page
3

Socket.io

Realtime application framework (Node.JS server)
Pricing:
- Open Source
#Developer Tools #App Development #Mobile Push Messaging 717 social mentions
Pusher Landing Page
4

Pusher

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
Pricing:
- Open Source
#Mobile Push Messaging #Developer Tools #App Development 50 social mentions
Back4App Landing Page
5

Back4App

Low code backend to build apps faster and scale easily.
Pricing:
- Open Source
- Freemium
- $25.0 / Monthly
#Backend As A Service #Mobile Backend #Low Code 1 social mentions
Parse Landing Page
6

Parse

Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Pricing:
- Open Source
#Developer Tools #App Development #Backend As A Service 20 social mentions
Xamarin Landing Page
7

Xamarin

Create iOS, Android and Mac apps in C#
Pricing:
- Open Source
#Developer Tools #App Development #Development Tools 26 social mentions
Postman Landing Page
8

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
#APIs #API Tools #Developer Tools 27 social mentions
Tailwind CSS Landing Page
9

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Developer Tools #Design Tools #Website Design 868 social mentions
React Landing Page
10

React

A JavaScript library for building user interfaces
Pricing:
- Open Source
#Javascript UI Libraries #JS Library #JavaScript Framework 775 social mentions
Etebase Landing Page
11

Etebase

Etebase makes it easy to build end-to-end encrypted applications by taking care of the encryption and its related challenges.
Pricing:
- Open Source
#Mobile Push Messaging #Realtime Backend / API #CRM
AppWrite Landing Page
12

AppWrite

Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
Pricing:
- Open Source
#Developer Tools #Backend As A Service #REST API 167 social mentions