Dev tools · alternatives · 2026

24 alternatives to Authsignal

Passwordless auth, fraud analytics and step-up rules in mins

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Authsignal launched in 2022; newer entries below may have overtaken it.

1
Authentiq▲157
Strong authentication, without the passwords
2017 · its alternatives →
2
Stack Auth (YC S24)▲424
Open-source Auth0/Clerk alternative
2024 · hexclave.com · its alternatives →
3
AuthKit by WorkOS▲688
The world's best login box, powered by WorkOS + Radix.
2023 · authkit.com · its alternatives →
4
Frictionless Signup by Segment & Clearbit▲299
Magically autofill forms and improve conversions
2016 · twilio.com · its alternatives →
5
AuthGuardian by OneGraph▲185
The easiest 3rd-party sign-in for your apps and APIs
2020 · its alternatives →
6
MojoAuth▲263
Simple & Easy passwordless authentication for website & apps
2021 · mojoauth.com · its alternatives →
7
Authenteq 2.0▲70
Automated identity verification in under 45 seconds
2020 · its alternatives →
8
MojoAuth 2.0▲263
Easiest way to add passwordless login to your apps & website
2022 · mojoauth.com · its alternatives →
9
Authy▲177
Dead simple two-factor authentication optimized for devs
2014 · authy.com · its alternatives →
10
OwnID▲201
An easy and secure passwordless add-on for your website
2022 · ownid.com · its alternatives →
11
AuthMonster▲72
The 2FA app you actually enjoy using
Jul 2026 · authmonster.app · its alternatives →
12
OpenSigner▲100
OpenSigner is an open-source, self-hostable wallet key management system that issues non-custodial cryptographic keys using Shamir's Secret Sharing scheme.
Nov 2025 · opensigner.dev · its alternatives →
13
Passage by 1Password▲236
Frictionless security: auth & user management with passkeys
2023 · 1password.com · its alternatives →
14
AuthSafe▲82
Block fraud not legitimate customers
2021 · authsafe.ai · its alternatives →
15
BoxyHQ – open-source alternative to Auth0/WorkOS▲176
Hi HN, we are Deepak and Sama, co-founders of BoxyHQ (https://boxyhq.com/). BoxyHQ provides an open-source platform for developers to quickly integrate enterprise features into their software solutions. These include SAML Single Sign-On (SSO), Audit logs, with more to come :) Every B2B startup faces a common challenge when it comes to selling into the Enterprise; they need to allocate time and resources to support all the requirements to make their offering enterprise-grade. Supporting these requirements is a significant undertaking for the engineering team, especially since…
2022 · boxyhq.com · its alternatives →
16
Checker▲124
Detect fake signups in under 200ms with an easy-to-use API
2025 · its alternatives →
17
NoPass.me▲129
Open-source identity verification
2021 · nopass.me · its alternatives →
18
Signway - pre-signed URLs for LLM apps▲77
Bring the power of pre-signed URLs for your LLM applications
2023 · its alternatives →
19
authentiGPT▲121
Verify and certify contents generated by human, AI or both
2024 · authentiai.com · its alternatives →
20
Signer Authority▲5
Secure e-signatures with cryptographic proof.
Jul 2026 · signerauthority.com · its alternatives →
21
OneSignal▲141
Boost engagement with smart push notifications
2015 · onesignal.com · its alternatives →
22
Authenteq▲78
User-owned and controlled blockchain-based online ID
2019 · its alternatives →
23
0xPass▲87
Auth and login for web3 apps with account abstraction
2023 · 0xpass.io · its alternatives →
24
Passkeys use cases demo (Authsignal)▲14
We've created a more comprehensive demo for Passkeys showing how you can use it at sign in, or embed into other parts of your flow
2023 · demo.authsignal.com · 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 →