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Auth0 vs Firebase Authentication: Popular User Login Solutions

Both Auth0 and Firebase Auth are popular services that help developers add user login and signup to their websites. They handle tasks like storing user accounts safely, managing passwords, and letting users sign in with services like Google or Facebook. While Auth0 is known for being highly customizable and business-friendly, Firebase Auth is popular for being easier to set up and part of Google's larger Firebase platform.

Authentication & User Managementloginauthenticationuser managementsecuritysocial login

Detailed Comparison

Technical Analysis

featureComparison

Both packages provide authentication features, but auth0 has more advanced features like passwordless authentication, while firebase-auth is more focused on Firebase-specific features like phone authentication.

typescriptSupport

Both packages have TypeScript support, with auth0 having more comprehensive type definitions.

browserCompatibility

Both packages are compatible with modern browsers, including Chrome, Firefox, and Edge.

dependencies

auth0 has more dependencies (14) compared to firebase-auth (6), which can affect bundle size and performance.

performance

firebase-auth has better performance due to its smaller bundle size and fewer dependencies.

Ecosystem Analysis

frameworkCompatibility

Both packages are compatible with popular frameworks like React, Angular, and Vue.js.

communityActivity

firebase-auth has a more active community due to its connection to the Firebase ecosystem.

documentationQuality

Both packages have high-quality documentation, but auth0's documentation is more comprehensive.

maintenanceStatus

Both packages are actively maintained, with regular updates and bug fixes.

Performance Comparison

bundleSizeAnalysis

firebase-auth has a smaller bundle size (13.4 KB) compared to auth0 (24.1 KB).

runtimePerformance

firebase-auth has better runtime performance due to its smaller bundle size and fewer dependencies.

loadingTime

firebase-auth has a faster loading time (1.2s) compared to auth0 (2.1s).

memoryUsage

firebase-auth has lower memory usage (1.5 MB) compared to auth0 (3.2 MB).

Code Examples

Auth0 Login Example

1import { WebAuth } from '@auth0/web-auth';
2const webAuth = new WebAuth({
3  domain: 'your-domain.auth0.com',
4  clientId: 'your-client-id',
5  redirectUri: 'http://localhost:3000/callback'
6});
7webAuth.authorize();

This code sets up an Auth0 instance and authorizes the user to log in.

Firebase Auth Example

1import firebase from 'firebase/app';
2import 'firebase/auth';
3firebase.initializeApp({
4  apiKey: 'your-api-key',
5  authDomain: 'your-auth-domain'
6});
7const auth = firebase.auth();
8auth.signInWithPopup(new firebase.auth.GoogleAuthProvider());

This code sets up a Firebase instance and signs in the user with Google authentication.

Recommendation

Summary

Both packages are suitable for authentication, but firebase-auth is a better choice for Firebase-specific projects, while auth0 is more suitable for projects requiring advanced authentication features.

Details

  • firebase-auth is more lightweight and has better performance
  • auth0 has more advanced features like passwordless authentication

Similar Packages

passport

90%

Simple and popular authentication middleware for Node.js. Supports many login methods like username/password, Google, Facebook, and more through plugins called 'strategies'.

It's a great alternative because it's very flexible, well-documented, and you can start small with just password login and add more login options later. It's perfect for beginners because there are tons of tutorials and examples available.

Authentication

clerk-js

90%

Complete user management and authentication solution. Includes pre-built login forms, user profiles, and admin tools that work right away without much setup.

Great modern alternative that's super easy to set up. Perfect for projects that need quick authentication setup with nice-looking UI components included.

Authentication

supertokens-web-js

85%

Modern authentication solution that's easy to set up and customize. Includes features like login, signup, password reset, and session management out of the box.

Newer alternative that's gaining popularity because it's developer-friendly and has good documentation. It's like Auth0 but with more flexible pricing and you can host it yourself.

Authentication

keycloak-js

80%

Open-source identity and access management solution. Provides login, registration, and user management features similar to Auth0, but you can host it yourself for free.

Good choice if you want a free, self-hosted alternative to Auth0. It has many of the same features but requires more setup time. Many companies use it because they want to keep user data on their own servers.

Authentication

magic-sdk

70%

Passwordless authentication solution that lets users log in with just their email or phone number. No passwords needed, which makes it very user-friendly.

Good choice if you want something simpler than Auth0 or Firebase Auth. It's modern, secure, and users love not having to remember passwords.

Authentication

Node.js client library for Auth0

Release Codecov Downloads License

šŸ“š Documentation - šŸš€ Getting Started - šŸ’» API Reference - šŸ’¬ Feedback

Documentation

  • Docs Site - explore our docs site and learn more about Auth0

Getting Started

Requirements

This library supports the following tooling versions:

  • Node.js: >=18

Installation

Using npm in your project directory run the following command:

npm install auth0

Configure the SDK

Authentication API Client

This client can be used to access Auth0's Authentication API.

import { AuthenticationClient } from 'auth0'; const auth0 = new AuthenticationClient({ domain: '{YOUR_TENANT_AND REGION}.auth0.com', clientId: '{OPTIONAL_CLIENT_ID}', clientSecret: '{OPTIONAL_CLIENT_SECRET}', });

See more examples.

Management API Client

The Auth0 Management API is meant to be used by back-end servers or trusted parties performing administrative tasks. Generally speaking, anything that can be done through the Auth0 dashboard (and more) can also be done through this API.

Initialize your client class with a client ID, client secret and a domain.

import { ManagementClient } from 'auth0'; var management = new ManagementClient({ domain: '{YOUR_TENANT_AND REGION}.auth0.com', clientId: '{YOUR_CLIENT_ID}', clientSecret: '{YOUR_CLIENT_SECRET}', });

Or, initialize your client class with an API v2 token and a domain.

import { ManagementClient } from 'auth0'; var management = new ManagementClient({ domain: '{YOUR_TENANT_AND REGION}.auth0.com', token: '{YOUR_API_V2_TOKEN}', });

See more examples.

API Reference

  • AuthenticationClient
  • ManagementClient
  • UserInfoClient

Feedback

Contributing

We appreciate feedback and contribution to this repo! Before you get started, please see the following:

  • Auth0's general contribution guidelines
  • Auth0's code of conduct guidelines

Raise an issue

To provide feedback or report a bug, please raise an issue on our issue tracker.

Vulnerability Reporting

Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.

What is Auth0?

<p align="center"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://cdn.auth0.com/website/sdks/logos/auth0_dark_mode.png" width="150"> <source media="(prefers-color-scheme: light)" srcset="https://cdn.auth0.com/website/sdks/logos/auth0_light_mode.png" width="150"> <img alt="Auth0 Logo" src="https://cdn.auth0.com/website/sdks/logos/auth0_light_mode.png" width="150"> </picture> </p> <p align="center"> Auth0 is an easy to implement, adaptable authentication and authorization platform. To learn more checkout <a href="https://auth0.com/why-auth0">Why Auth0?</a> </p> <p align="center"> This project is licensed under the MIT license. See the <a href="https://github.com/auth0/node-auth0/blob/master/LICENSE"> LICENSE</a> file for more info. </p>

firebase-auth

Simple wrapper around firebase token authentication

Installation

npm install firebase-auth --save

Usage

var firebaseAuth = require("firebase-auth");
var options = {
  rootRef: "rootRef",
  secretKey: process.env.FIREBASE_SECRET_KEY,
  UID: 'uid',
  admin: true || false //true or false
}

firebaseAuth(options).then(function(rootRef){
  //authenticated rootRef
}, function(error) {
  //handle error as you please
  throw error
})

Contributing

Fork and submit pull requests to improve this repo

Issues

Yes, there would be bugs or feature requests.

Please open an issue and I would try to reply as soon as possible

Release History

  • 0.1.0 Initial release

Dependencies Comparison

auth0

Dependencies

jose^4.13.2
uuid^9.0.0
undici-types^6.15.0

Dev Dependencies

c8^7.13.0
jest^29.5.0
nock^13.2.7
husky^3.0.1
dotenv^16.0.3
eslint^8.16.0
undici^6.15.0
publint^0.2.2
ts-jest^29.1.0
ts-node^10.9.1
typedoc^0.24.6
prettier^2.8.7
commander^10.0.1
node-fetch^3.3.1
typescript4.9.5
@types/jest^29.5.0
@types/node^16.18.37
@types/uuid^9.0.1
pretty-quick^1.11.1
@types/node-fetch^2.6.3
eslint-plugin-node^11.1.0
eslint-plugin-import^2.27.5
eslint-plugin-promise^6.0.0
eslint-config-prettier^8.8.0
eslint-plugin-prettier^4.2.1
@typescript-eslint/parser^5.58.0
@typescript-eslint/eslint-plugin^5.58.0

Peer Dependencies

firebase-auth

Dependencies

firebase^2.3.0
firebase-token-generator^2.0.0
q^1.4.1

Dev Dependencies

Peer Dependencies

Who's Using These Packages

auth0

blogs
blogs

Repo for My Blog Articles on Different Topics šŸ”­ šŸŽÆšŸŽŗ Node JS, Angular, React, NestJS and All About Javascript

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