Best Authentication Software for Workers by Delos

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.

Small and medium-sized enterprises (SMEs) around the world can realize true freedom of choice by partnering with JumpCloud. JumpCloud centralizes the management and security of identities, access, and devices through its cloud-based open directory platform, enabling IT teams and managed service providers (MSPs) to remotely support Windows, Mac, Linux, and Android devices, manage identities natively or from their preferred HRIS or productivity suite, and provide access to hundreds of on-prem and cloud-based apps with a single, secure set of credentials. Start a 30 Day Trial of JumpCloud today to take advantage of the entire platform for free.

Clerk offers a full-stack authentication and user management system designed for modern web applications. It provides secure APIs and drop-in UI components for sign-up, sign-in, user profiles, multi-factor authentication (MFA), and organization management. Clerk supports frameworks like Next.js, React, Vue, and Nuxt, with built-in OAuth, SSO, and RBAC (Role-Based Access Control). Focused on developer experience, Clerk eliminates the need to build authentication from scratch, ensuring security and scalability without sacrificing flexibility or control.

Create stunning user login and payment systems for any website, giving you full control over your site's content and hosting. Begin by adding a simple JavaScript snippet to your site, then configure your membership plans, pricing, and access permissions. You can easily oversee member management through an intuitive dashboard. Eliminate the hassle of authentication and payment issues by restricting access to specific web pages and resources, allowing you to build effective web applications. With our seamless one-click integration with Stripe, you can start processing payments in no time. Enjoy a completely free and unlimited trial period, upgrading only when you are ready to go live, with no credit card information needed. In addition, you will gain access to essential Stripe features including tax management, free trial options, and the Stripe billing portal. Cater to your business model by offering payment methods that resonate with your audience, while expanding your global reach, boosting conversion rates, minimizing fraud risks, and enhancing your transaction efficiency. This user-friendly solution empowers you to focus on growing your business while streamlining your payment processes.

Appwrite offers a cloud backend solution, simplifying the construction of your backend infrastructure with minimal coding across preferred languages and frameworks. This platform empowers developers to concentrate on creativity and design, minimizing the grind of backend development chores. Products Appwrite provides you with: - Authentication: 30+ login methods, support for teams, roles, and user labels - Databases: Never paused, fast in-memory caching, advanced permission models, relationships support - Storage: File encryption at rest and transit, built-in image transformation capabilities, advanced compression with WebP/Brotli support - Functions: Automatic deployment from GitHub - Messaging: SMS, email, and push notification support - Real-time: Unlimited subscriptions By utilizing Appwrites’ features, you save time and ensure your products are stable and secure for your end users. With Appwrite, you always own your data, so you never have to fear vendor lock-in.