Compare Knomi vs. Nexsign

FusionAuth is the authentication and authorization platform engineered for developers who demand flexibility and control. Built from the ground up to integrate with any stack, every feature — from user registration to MFA and SSO — is exposed via a modern, well-documented API. Support for every major identity protocol is included out of the box: OIDC, SAML, OAuth2, JWT, passwordless login, social sign-on, and more. Whether you’re building a greenfield app or retrofitting auth into a legacy system, FusionAuth adapts to your use case — not the other way around. Need compliance? FusionAuth helps you meet GDPR, HIPAA, and COPPA standards quickly and reliably. Deploy it your way: install on Linux, Windows, macOS, Docker, or Kubernetes — or go with FusionAuth Cloud, our managed SaaS hosting. No black boxes. No vendor lock-in. Just powerful, customizable auth that works the way you do.

ARGOS is a platform for AI-powered digital identity. We are revolutionizing the way identity is experienced around the world. We create essential identity solutions for individuals and businesses to ensure the security of digital ecosystems worldwide. We provide services that help you identify Anyone, Anywhere, Anytime!

All-in-one platform for identity verification, fraud detection, and compliance. iDenfy uses a three-layer process to verify identity. This protects startups, financial services, gambling, streaming, ridesharing and other digital services against identity fraud. The process protects companies from the most dangerous forms of identity fraud. iDenfy offers a variety of fraud prevention services, including business verification, proxy detection and fraud scoring, AML screening, monitoring and AML screening, NFC verification and other fraud prevention services. iDenfy was founded before AML, GDPR, and fraud regulations were implemented. It pioneered the identity verification process. The company covers the entire ID verification process for users, combining AI biometric recognition with manual human checks to verify they are real users. Use our ID verification software to save up to 40% on identity verification services. Save up to 40% on identity verification costs by paying only for successful ID verification.

Authologic offers a single, unified API for all your digital identity needs. It's a global identity orchestration engine that seamlessly integrates the best verification tools—from e-IDs and biometrics to bank and government databases. Businesses worldwide use Authologic to accelerate customer and business onboarding, drastically cut down on fraud, and instantly meet complex KYC/KYB/AML compliance standards. B y unifying over 50 methods across 200+ countries with smart routing and automated fallbacks, it ensures uninterrupted, compliant verification without demanding constant process rebuilds. Backed by Y Combinator and holding licenses like PSD2 AISP and certifications like ISO 27001, Authologic is built for global scalability and security.

Sumsub is a single verification platform that allows you to onboard more customers worldwide, speed up their access, reduce costs, and fight digital fraud. Sumsub combines effective verification flows with higher conversion rates worldwide through a powerful, all in one suite designed for a wide variety of needs: KYC/AML verification, KYB verifications, payment fraud prevention and face authentication.

Frontegg is a modern Customer Identity and Access Management (CIAM) platform purpose-built for SaaS applications. It gives developers a robust, low-code toolkit to implement advanced identity features like multi-factor authentication (MFA), single sign-on (SSO), passwordless login, and role-based access control (RBAC) without spending weeks wiring up custom flows. Designed with developers in mind, Frontegg supports rapid integration via SDKs and APIs for Node.js, React, Python, and more. It includes built-in support for OpenID Connect, SAML, OAuth2, and Webhooks, and ships with pre-configured components for login, signup, user management, and organization hierarchies. Whether you're building multi-tenant apps, complex subscription logic, or entitlement enforcement, Frontegg scales with you. Beyond the initial integration, Frontegg offloads identity maintenance from engineering by enabling non-technical teams to manage identity-related tasks through a secure admin portal. Product, Infosec, and Customer Success teams can enforce security policies, manage users, configure auth flows, and respond to customer needs without dev involvement. Security teams can monitor and enforce identity compliance standards through real-time dashboards and built-in audit trails. Frontegg also ensures continuous updates to identity protocols, so developers don't have to worry about chasing evolving standards. Frontegg reduces developer toil, shortens go-to-market timelines, and keeps engineering focused on high-impact product work. All while maintaining the security, scalability, and flexibility required by modern SaaS platforms.

Auth0 takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user. Auth0 is highly customizable, and simple yet flexible. Safeguarding billions of login transactions each month, Auth0 delivers convenience, privacy, and security so customers can focus on innovation. With Auth0, you can rapidly integrate authentication and authorization for web, mobile, and legacy applications, with new Fine Grained Authorization (FGA) that goes beyond role-based access control.

Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,000 financial institutions across 20+ countries, Plaid operates the world’s largest open banking data network. By removing the complexity of direct bank integrations, Plaid enables developers, financial institutions, and enterprises to build secure, user-friendly, and conversion-optimized financial products. Plaid powers payments, lending, identity verification, fraud prevention, and personal finance applications. Today, more than 100 million people worldwide, including half of U.S. adults, have relied on Plaid through their connections to over 7,000 apps and services. Plaid supports a wide range of industries and financial workflows, including: Banks & credit unions, Payouts streamline disbursements, and Pay by Bank supports direct consumer-to-business payments for recurring bills, subscriptions, and eCommerce, Mortgages & lending, Government & public sector programs, Property management, Gaming, Crypto & Digital Assets, Business finances, and Wealth Management. Customers include Venmo, Robinhood, Rocket, Carvana, Affirm, Invitation Homes, and many more. Plaid is built with enterprise-grade encryption, continuous monitoring, and regulatory compliance, including PSD2 in Europe and FCA requirements in the UK. Plaid does not hold funds but enables secure data transfer and payment initiation. Plaid provides trusted infrastructure across payments, identity verification, fraud prevention, account connectivity, and open banking. With scale, security, and mobile-first design, Plaid helps businesses create seamless and secure financial experiences for millions of consumers worldwide.

Guardz is the unified cybersecurity platform purpose-built for MSPs. We consolidate the essential security controls, including identities, endpoints, email, awareness, and more, into one AI-native framework designed for operational efficiency. Our identity-centric approach connects the dots across vectors, reducing the gaps that siloed tools leave behind so MSPs can respond to user risk in real time. With 24/7 AI + human-led MDR, Guardz utilizes agentic AI to triage at machine speed while expert analysts validate, mitigate, and guide response, giving MSPs scalable protection without adding headcount.

EasyDMARC is a cloud-based DMARC solution for securing domains and email infrastructure, protecting organizations against phishing attacks, and more: Brand Protection Our email protection SaaS platform stops hackers from sending phishing emails to customers from company names, gaining access to accounts, and stealing personal information. Increased Email Deliverability EasyDMARC informs receiving mail servers that emails are legitimate and authentic, ensuring they’re delivered to the inbox instead of blocked or sent to spam. Visibility Into Cyber Threats EasyDMARC helps to successfully monitor every aspect of your email authentication and enforce effective protection from phishing attacks thanks to its advanced reporting capability. Business Email Compromise (BEC) Protection Most people have seen emails pretending to be from the CEO, CFO, or another executive in their organization. EasyDMARC prevents business email compromise and keeps your company reputation on the highest level․ EasyDMARC’s deliverability tool, EasySender, covers all the aspects of email deliverability. The variety of features on the platform cover email list verification, mailbox warmup, and inbox placement.