Life & fun · alternatives · 2026

24 alternatives to AuthX

Secure Authentication and Access Solutions

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. AuthX launched in 2023; newer entries below may have overtaken it.

1
AuthX Multi Factor Authentication▲1
Best Solution to Secure Access
2024 · its alternatives →
2
AuthKit by WorkOS▲688
The world's best login box, powered by WorkOS + Radix.
2023 · authkit.com · its alternatives →
3
Tecalis Authentication Face Recognition▲64
Login, identify, confirm, protect
2022 · its alternatives →
4
Autho▲152
cross-platform login box for web and native apps.
2014 · its alternatives →
5
Authentiq▲157
Strong authentication, without the passwords
2017 · its alternatives →
6
Multifactor▲461
A password manager built for secure sharing with humans & AI
Nov 2025 · multifactor.com · its alternatives →
7
SuperTokens Passwordless▲173
Fully flexible, open source auth in 15 minutes
2022 · its alternatives →
8
Stack Auth (YC S24)▲424
Open-source Auth0/Clerk alternative
2024 · hexclave.com · its alternatives →
9
Two-factor authentication for Apple ID▲96
To ensure you're the only person who can access your account
2016 · its alternatives →
10OS
Open Source Authentication and Authorization▲128
I’m Rishabh and the co-founder and CTO at https://supertokens.com (YC S20). We offer open-source user authentication and we just released our user roles product for companies implementing authorization. Our users are web developers, and a prominent and adjacent pain point for our users is authorization. Developers typically implement two independent solutions for authentication and authorization. Offering AuthN and AuthZ in a single solution is something we’ve been thinking about for the last few years. Quick primer, authentication is knowing who the user is, and authorization is…
2022 · its alternatives →
11
AuthX▲19
A FastAPI package for Auth made by a human not an AI
2021 · its alternatives →
12
SuperTokens▲146
Open source email & password auth for developers
2020 · its alternatives →
13
0xPass▲87
Auth and login for web3 apps with account abstraction
2023 · its alternatives →
14
Authify▲94
Quick authentication setup for devs
2024 · its alternatives →
15
Authgear ONCE▲82
Own your auth without subscription
2025 · authgear.com · its alternatives →
16SA
Stack, an open-source Clerk/Firebase Auth alternative▲144
Hey HN! Happy to finally launch Stack. We made it because we like to put apps into production quickly, and authentication & user management was taking up way too much time. We have components like and that automatically adapt to whatever theme & design system you're using. Check the blog post to see the example with Radix UI and Joy UI. Also, there's an admin dashboard for monitoring and editing accounts. Stack is 100% AGPL/MIT-licensed, so you can self-host it. Cheers!
2024 · stack-auth.com · its alternatives →
17
Authdog▲9
Accessible Customer Identity & Access Management Platform
2023 · its alternatives →
18
One Account▲176
1 click sign-ups
2021 · its alternatives →
19
NoPass.me▲129
Open-source identity verification
2021 · its alternatives →
20
Authenticator by 2Stable▲66
Secure, encrypted and fast two-factor authentication app
2021 · its alternatives →
21
Authy▲177
Dead simple two-factor authentication optimized for devs
2014 · its alternatives →
22
Auth0 Marketplace▲107
Discover and enable identity integrations in minutes
2020 · its alternatives →
23
auth.▲66
2FA , MFA, OTP, Secure Code for Apple devices
2021 · its alternatives →
24
Authenticator°▲85
Online account protection with multi-factor authentication
2023 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →