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Top Rated Single Sign On Software with API

Last updated: April 2026

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57 software options

JumpCloud Directory Platform logo

JumpCloud Directory Platform

A cloud directory platform for secure access to resources

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One identity for all application access. Standards-based configuration (SAML 2.0, LDAP).

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SecureW2 JoinNow Platform logo

SecureW2 JoinNow Platform

100% Cloud-based RADIUS for Secure, Scalable Access

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JoinNow Cloud RADIUS eliminates credential theft risk with secure, passwordless authentication. It integrates with leading systems, simplifies corporate & IoT device onboarding, and provides centralized control for certificate management—delivering scalable, secure access for modern IT environment.

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Auth0 logo

Auth0

Secure access for everyone. But not just anyone.

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Auth0 enables seamless user access through Single Sign-On (SSO), while still maintaining strict controls and enhanced security.

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Okta logo

Okta

On-demand identity & access management for enterprise

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Single Sign-On gives employees, contractors, and business partners secure access to everything they need to do their best work — along with an intuitive login experience.

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FusionAuth logo

FusionAuth

Identity without Constraints

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FusionAuth acts as the IdP, enabling cross-application SSO via OIDC and SAML. Users authenticate once and access all registered apps without re-entering credentials. Session management is tenant-configurable. Supports SP-initiated and IdP-initiated SAML flows plus modern OIDC token-based patterns.

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Akamai Identity Cloud logo

Customer identity management & registration software

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Janrain is a customer identity management software that helps to recognize customers from multiple devices, collecting customer data for more personalized marketing. Janrain's key features cover social login, registration, profile data storage, single sign-on, user-generated content and customer insights. These features combined help to increase user engagement, build better customer profiles, improve access management and personalize customer experiences.

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Wultra Mobile-First Authentication logo

Post-Quantum Authentication for Financial Apps.

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Our seamless, post-quantum authentication solution fortifies security while ensuring a smooth transition and regulatory compliance.

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Venn logo

Secure Remote Workspace

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Venn secures remote work on any unmanaged or BYOD computer with a radically simplified and less costly solution than VDI.

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Userfront logo

Auth without complexity

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Userfront is the premier auth & identity platform for growing SaaS companies.

Start free, move fast, and scale all the way to Fortune 500 enterprise customers, all in one place.

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PingFederate logo

Identity management, single sign-on (SSO), and API security

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With Ping Identity, you don’t need application passwords — or the problems they create, such as administrative headaches, help desk overload or security risks. Our Internet Identity Security solutions allow users to securely access Web-based business applications without multiple logins.

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Kinde logo

Modern auth, access management and billing for engineers.

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The fully integrated developer platform. Modern auth, access management and billing for engineers.

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Entrust Identity as a Service logo

Identity & access management solution

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Entrust IDaaS is a cloud-based IAM solution designed to help organizations of all sizes deploy multi-factor authentication for accessing networks, devices, and applications. Key features include single sign-on, IAM, virtual smart cards, workflow automation, user group and identity management.

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OpenOTP logo

Unified identity security for every access point

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OpenOTP is an enterprise-grade, adaptive security solution offering IAM, MFA and SSO, in a modular, scalable suite. With advanced authentication methods, seamless integrations, and zero trust readiness, OpenOTP secures both local and remote access, while improving usability and compliance.

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SSOJet logo

Modern User Management for B2B SaaS

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SSOJet is an all-in-one solution for user management for your B2B SaaS that reduces onboarding time, makes it easy for new team members to get up and running. Simple integration, less code, and no headaches.

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TeleSign Platform logo

Global ID verification & communication APIs

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Telesign provides global verification and communications APIs to help businesses authenticate users and prevent fraud. The platform offers phone number intelligence, SMS and voice verification, and messaging via WhatsApp, Viber, and RCS. Telesign's digital identity solutions build customer trust and protect against synthetic identity fraud, account takeovers, and other threats across countries.

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SmartSignin logo

The Smart, Simple & Secure Identity for the Cloud

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SmartSignin provides enterprises of all sizes a secure means of managing identity and access to confidential cloud data. An intuitive interface makes it possible to control employee, customer and partner access to cloud applications from a single dashboard and across multiple devices.

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Admin By Request logo

Local admin rights, managed.

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Admin By Request is a security solution that enables organizations to monitor and control local admin rights across their endpoints. The tool offers Just-In-Time elevation, anti-malware file scanning, SSO and MFA enforcement, temporary local admin accounts, and a full inventory and Auditlog.

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Rippling logo

Workforce management across HR, finance, and IT. 

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Easily implement SSO to secure user access with Rippling Identity & Access Management.

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Avatier Identity Anywhere logo

MODERNIZE YOUR DIGITAL WORKFORCE WITH AVATIER IDENTITY (IGA)

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Modern SSO solutions need to support a diverse workforce with a choice of how and where they would like to securely gain access to their cloud apps. Avatier SSO enables access when your workforce needs it the most with Just-in-Time (JIT) cloud application user provisioning/deprovisioning.

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Conecta Suite logo

Manage your company's Google and Microsoft users all in one

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Boost productivity and protect your data with easy user management in both Google Workspace and Microsoft 365.

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Frontegg logo

User Management for the PLG Era

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Frontegg is the only solution that enables you to implement SSO as part of a full self-service experience for your end-users.

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Beyond Identity logo

Unphishable Multi-Factor Authentication

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Unphishable, passwordless, multi-factor authentication that integrates with your existing SSO to eliminate credential attacks and drastically reduce your attack surface.

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Twilio User Authentication & Identity logo

Digital identity verification and intelligence tools

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Twilio User Authentication & Identity offers digital identity verification and intelligence tools to build mutual trust between business and consumer.

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Infisign logo

Cloud-based identity and access management (IAM) solution

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Infisign stands at the forefront of Identity and Access Management (IAM) solutions, driven by a zero-trust philosophy that offers increased security and privacy control for all authentication requirements for organizations of all sizes.

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LogMeOnce logo

Password and identity management solution

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LogMeOnce is a cloud-based password and identity management solution that helps businesses of all sizes manage login credentials, provide secure access to documents, applications and services via a unified portal. The platform allows organizations to protect user accounts against hack attempts and identity theft by scanning the dark web for stolen passwords.

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