Guides

Best SSO & Passwordless Authentication Tools in 2026

From enterprise SSO to self-hosted passkeys: 6 real authentication tools compared, with honest pricing, strengths and who each one actually fits.

Passwords are the most-attacked part of almost any product: they get phished, reused, leaked, and forgotten. Two different fixes have become standard in 2026. The first is SSO (single sign-on) — letting people log in through an identity system they already trust, like their company's Okta or Google Workspace account, instead of creating yet another password. The second is passwordless authentication — replacing the password entirely with something that can't be phished, usually a passkey tied to the person's actual device. Below are six real tools solving different pieces of that problem, from 'add enterprise SSO to my SaaS in a week' to 'run my own passkey login for free on a home server'.

1. SSOJet — best for adding enterprise SSO to your SaaS fast

SSOJet exists for one very specific and very common B2B problem: a big customer won't sign the contract until your app supports logging in through their own Okta or Azure AD, and building that yourself for every possible identity provider can take months. SSOJet plugs in over 100 ready-made identity provider connectors and gives your customers a self-service portal to configure their own SSO connection.

Pricing: 30-day free trial with full access and unlimited users. Business plans start at $99/month for 2 SSO connections. Enterprise is quote-based (private cloud, unlimited connections). SOC 2 Type II certified, GDPR/HIPAA compliant.

Watch out for: the $99/month minimum can be a stretch for a small startup with few enterprise customers yet, and the cost rises with each additional identity provider connection.

2. MonoCloud — best generous free tier for developers who don't want to build auth themselves

MonoCloud is a drop-in login service that handles sign-in screens, password resets and social login ('sign in with Google') so you don't build a login system from scratch. It includes passkeys and SSO/OIDC in its core offering, with SDKs for .NET and JS/TS.

Pricing: free up to 50,000 monthly active users; Pro is $24.99/month; advanced security add-ons (ScaleX, Secure+, mTLSConnect) run $99.99–$199.99/month; $0.015 per additional MAU beyond the free tier.

Watch out for: it's less known than Auth0 or Clerk with a smaller community, documentation that's less mature than the established leaders, and those security add-ons stack up in cost.

3. Corbado — best for diagnosing login problems without replacing your existing system

Corbado doesn't replace your identity provider — it sits on top of it, showing exactly where people abandon a login attempt: which method, which device, which step, so you can actually fix the drop-off instead of guessing. It integrates with 25+ identity providers (Okta, Auth0, Entra, Cognito, Keycloak) and processes over 1.6 billion real authentication signals.

Pricing: not published — a sales conversation is required for both of its products (Corbado Observe for analytics, Corbado Connect for managed passkeys). No advertised free trial.

Watch out for: pricing is completely opaque, there's no public founding date, and you need meaningful login volume to justify the investment in the first place.

4. Beyond Identity — best for device-bound passwordless auth at enterprise scale

Beyond Identity replaces passwords with a cryptographic key tied to your actual device, so there's nothing for an attacker to steal or guess. It goes further than most competitors with continuous device-health checks (not just at login) and RealityCheck, real-time deepfake detection — plus Ceros, a trust layer built specifically for AI agents and non-human identities.

Pricing: three tiers (Authentication Essentials, Zero Trust Identity & Device, Secure Access Complete), none with public pricing — a sales quote is required for all of them.

Watch out for: total pricing opacity across all three tiers, Ceros is still in public preview with limited production track record, and against its closest rival HYPR the real difference comes down to specific features (deepfake detection, AI agent identity) rather than any visible price gap.

5. HYPR — best for passwordless auth with dedicated help-desk protection

HYPR delivers FIDO2 passkey-based passwordless login, phishing-resistant by design, plus something most competitors skip: identity verification specifically for help-desk password-reset calls, a common social-engineering attack vector. It reports a Forrester-measured 324% ROI and over 55 million authenticated users, with integrations into Entra ID, Okta, Ping and CrowdStrike.

Pricing: Identity Assurance Access is $3/user/month; Identity Assurance Advanced is $9/user/month; customer-facing (CIAM) authentication is quote-based, starting around 100,000 users.

Watch out for: CIAM pricing only kicks in at real scale (100k+ users), the $9/month Advanced tier adds up fast for a large team, and versus Beyond Identity on the same passwordless segment, the difference is mostly in identity-journey depth (onboarding, help desk) rather than a fundamentally different technology.

6. Pocket ID — best free, self-hosted passkey login for your own apps

Pocket ID is a free, open-source, self-hosted login system built entirely around passkeys, so nobody has to remember — or leak — a password again. It's OpenID Connect certified and OAuth 2.0 compatible, meaning it plugs into other self-hosted apps as a real SSO provider, and it's dramatically simpler to deploy than a full Keycloak instance.

Pricing: free, open source (BSD-2-Clause), self-hosted via Docker.

Watch out for: passkeys are mandatory, so every user needs a compatible device or browser, there's no managed SaaS option, and it's less complete than Keycloak for complex enterprise identity needs.

Side-by-side

ToolBest forPricing
SSOJetFast enterprise SSO for B2B SaaS30-day trial; from $99/mo
MonoCloudDrop-in auth with a generous free tierFree to 50k MAU; Pro $24.99/mo
CorbadoLogin drop-off analytics on top of existing IAMQuote-based
Beyond IdentityDevice-bound passwordless at enterprise scaleQuote-based, 3 tiers
HYPRPasswordless auth + help-desk identity checksFrom $3/user/mo
Pocket IDFree self-hosted passkey SSO for homelabsFree, open source

The honest short version: if a big customer is blocking your deal over enterprise SSO, SSOJet gets you there fastest. If you just want to stop building login screens yourself without a big bill, MonoCloud's free tier covers a lot of ground. If people are quietly failing to log in and you don't know why, Corbado shows you the actual drop-off point. If you need passwordless auth hardened for critical infrastructure or AI-agent identities, Beyond Identity and HYPR are the two purpose-built options — HYPR leaning toward help-desk protection, Beyond Identity toward device health and deepfake detection. And if you're self-hosting and just want free passkey login for your own tools, Pocket ID is built exactly for that.