Best Authentication Software for Startups

Find and compare the best Authentication software for Startups in 2025

Use the comparison tool below to compare the top Authentication software for Startups on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    NextAuth.js Reviews
    NextAuth.js, an open-source authentication solution, is tailored for Next.js apps, offering seamless integration with services like Google, Facebook Auth0 and Apple. It supports a variety of authentication methods including OAuth 1.0 &2.0, email/passwordless logins, and custom username/password system. NextAuth.js is designed for flexibility. It works in serverless environments, and supports multiple databases, including MySQL, PostgreSQL and MSSQL. Developers can choose between JSON Web Tokens or database sessions. Security features include HTTP POST validation of CSRF tokens, signed, prefixed server-only cookies and encrypted JWTs based on JWS/JWE/JWK. The platform is easy to set up, allowing developers to add authentication within minutes with minimal configuration. A comprehensive documentation and a supportive developer community make it more accessible to developers looking for a robust authentication system.
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    Auth.js Reviews
    Auth.js provides a flexible, secure authentication experience. It is an open-source library that integrates seamlessly with modern JavaScript Frameworks. It supports a variety of authentication methods including OAuth (e.g. Google, GitHub), Credentials, and WebAuthn. This allows developers to select the best approach for their application. Auth.js supports multiple frameworks such as Next.js (e.g., Google, GitHub), SvelteKit (e.g., Express), Qwik and SolidStart. This allows developers to implement authentication on different platforms. The library provides built-in support to popular databases such as Prisma, Drizzle ORM (Object Relational Mapper), Supabase (Supabase ORM), Firebase and TypeORM. This simplifies user data management. Signed cookies, CSRF validation, and encrypted JSON Web Tokens are all security features that ensure robust protection of user data. Auth.js has been designed to work efficiently in serverless environments. It also provides extensive documentation and examples.
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    Zoho Directory Reviews

    Zoho Directory

    Zoho

    $1.70/user/month
    Zoho Directory, a cloud-based platform for identity and access management, is designed to streamline authentication and authorization. It also simplifies user management. Single Sign-On (SSO), which allows employees to access multiple apps with a single set credentials, enhances security and user convenience. Multi-Factor Authentication is supported by the platform, adding an additional layer of protection from unauthorized access. Device authentication provides secure access to applications and devices. Employees can use the same credentials on all platforms. Zoho Directory offers robust provisioning capabilities, which allow IT administrators to create user profiles for various applications from the platform. This reduces the time spent on repetitive work. Directory stores facilitate integration with existing directories such as Microsoft Active Directory or Azure AD.
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    Pirean Access: One Reviews
    We offer robust authentication and authorisation services for web and mobile. Our Access: One platform protects data, equity, and IP across critical industries. To protect their services worldwide, we partner with some the largest organizations in the world. Our private cloud identity platform allows our customers to quickly access identity services that are: - Provide a central point for controlling entitlements and identities - Flexible access management, including single sign-on and strong authentication Deliver an agile, robust IAM API to extend the reach of your identity infrastructure We are known for our innovation, versatility, and focus on the end-user.
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    IceWarp Reviews

    IceWarp

    IceWarp

    $312.00/year/user
    There is no office. That is the only rule. TeamChat for project teamwork, business email, TeamChat to collaborate on office documents, and online meetings. All this and more in our secure cloud at half the cost. Chat in groups organized around projects, upload files and mention coworkers. Comment on emails posted by others. Pin important posts. Integration with email allows you to share received messages directly into TeamChat room to catch the attention of colleagues. Desktop Client and Desktop Office documents for Windows and Linux will help you increase your office productivity. You can choose to purchase the entire Suite or just the apps you need.
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    Stytch Reviews
    The authentication platform for developers. Stytch's APIs allow you to authenticate, sign up, and engage with your users. Flexible, passwordless authentication solutions that improve security and user experience. Let us help you build the infrastructure so that you can concentrate on your product. Our SDKs allow you to create seamless onboarding and authentication experiences. They can be customized to your logo, colors, fonts, or logo. Our direct API integration gives you more control over your user experience. It considers both the developer and user experience and ensures fast, secure, and passwordless authentication flows. With clear and complete documentation, we make integration easy and painless.
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    Teleport Reviews
    The Teleport Infrastructure Identity Platform is a modernization of identity, access and policy for infrastructure for both human and not-human identities. It improves engineering velocity and resilience of critical infrastructure to human factors or compromise. Teleport is designed for infrastructure use cases. It implements trusted computing with unified cryptographic identity for humans, machines, and workloads. Endpoints, infrastructure assets and AI agents can all be identified. Our identity-everywhere solution vertically integrates identity governance, zero trust networking and access management into a single platform. This eliminates overhead and operational silos.
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    Avatier Identity Anywhere Reviews

    Avatier Identity Anywhere

    Avatier

    $5.00/one-time/user
    Identity Anywhere is the first identity management solution that uses Docker containers. It is the most portable, scalable, and secure on the market. Identity Anywhere can run on any cloud, on-premise, or private cloud instance hosted at Avatier using Docker container technology. Avatier Identity Management products bring together separate back office applications and assets to manage them all in one system. With a single digital dashboard, executives at all levels can achieve measurable business growth and higher profits. With military-grade self-service password reset, you can eliminate the #1 Help Desk request. Reduce costs Only pay for what you use. A great shopping cart experience will maximize company utilization. Non-compliance can result in fines, lawsuits and even jail time.
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    OAuth Reviews

    OAuth

    OAuth.io

    $19 per month
    You can focus on your core app to get to market faster. OAuth.io handles all aspects of identity infrastructure, maintenance, security overhead, so your team doesn’t have to. OAuth.io makes identity easy. You can choose from a variety of identity providers, add custom attributes and customize your login page. Or, you can use our widget to integrate with your app. Identity solved in minutes. Our easy-to-use dashboard allows you to manage your users. You can find and manage users, reset passwords and enforce two-factor authentication. You can also add permissions and memberships through OAuth.io’s user management. Full-featured, highly secure user authentication with tokens or passwords. OAuth.io can handle all aspects of user authorization modeling, from multi-tenant to complex permissions. Our popular integrations can be used to force a second factor for user authentication.
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    NCP Reviews

    NCP

    NCP engineering

    NCP Entry Clients are great for freelancers, small businesses, and individuals who need a VPN. The Solution Finder will help find the right NCP product to fit your needs. We can help you find the right product for you, no matter what hardware you have. NCP has 30 years of experience in remote access environments and is an excellent choice for a complete VPN system that meets the needs IT administrators, users, and management. NCP's remote access solutions offer important benefits, including high security and cost efficiency.
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    REVE Secure Reviews
    Double authentication to verify login's credibility using registered credential (Password), and security token generated at authorized end only. Passwords are not capable of securing your logins. The addition of 2nd-factor authentication will provide dual authentication security and secure login access. Two Factor Authentication protects remote logins and access Linux/UNIX servers against security breaches and malicious attacks. To ensure all-round protection for your enterprise data, add a second layer to your existing Windows password-based security. To prevent unauthorized access and cyber-attacks, secure and protect logins and access for each web application. Blocks unauthorized login attempts made using passwords. It supports a variety of devices and platforms.
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    Systancia Access Reviews
    Transparent authentication in all forms to all your applications on premise and cloud. Access control solution that makes it easy and secure to access applications. Systancia Access, previously Avencis SSOX (a solution labeled France Cybersecurity), is an access control and single-sign-on (SSO), solution that ensures connection security while improving user experience. Systancia Identity is easy to use once you have set up the basic base. Users are quick to adopt it. The software can be scaled without additional costs. The increasing amount of data in companies and organizations and the fact that some of these data are sensitive makes it essential to protect them from any potential catastrophic risk of leakage. This is a reminder we get daily from the media. For IS security managers, an audit that reveals IS security risks or proves data leakage is electroshock.
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    Appgate Reviews
    A collection of cloud- and hybrid-ready security products and services that brings together a variety of different products and services. Appgate currently protects more than 1,000 organizations in 40 countries. Zero Trust: A Focused Approach. Security problems were created by distributed, on-demand IT. Security leaders find themselves stuck trying to solve today's problems by using yesterday's solutions, despite having more assets to defend and more complex issues to overcome. You can become a smaller target, making it more difficult for threat actors to identify resources and making them more resilient. Adopt an identity-centric, Zero Trust mindset. This will consider context before granting access. You can take proactive steps to identify and eliminate threats that could be affecting your organization.
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    Google Cloud Identity Reviews

    Google Cloud Identity

    Google

    $6 per user per month
    Unified identity, access, app and endpoint management platform (IAM/EMM). This platform helps IT and security teams maximize end user efficiency, protect company data, transition to a digital workspace, and transition to it. Protect your organization using the BeyondCorp security model, and Google's threat intelligence signals. Security Center can control access to SaaS apps and enforce strong multi-factor authentication (MFA). This will protect user accounts, manage endpoints, investigate threats, and ensure that users are protected. Optimize efficiency by providing intuitive user experiences on endpoint devices. You can also unify user, access and app management from one console. Users can access thousands of apps using single sign-on (SSO), and manage their company accounts the same way as their personal Google accounts. Integrate your existing systems onto a trusted platform and transition to digital. Directory Sync allows you to extend your existing directory to the cloud.
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    MetaMap Reviews
    Global identity verification powered by regional data infrastructures. MetaMap is the world's first all-in-one identity verification platform. It is based on regional data sources and consolidated on a global level. You can get to know your users in depth, from local government checks to Global AML Watchlists. A range of identity verification tools to get to know your users better. Verify your users quickly and without affecting your conversion rates. You can quickly verify your users using our SDK, or create your own verification flows via our API. Our customers welcome up 95% of users who complete our verification flow successfully on their first attempt. Access our regional identity infrastructures automatically and receive clean data from dozens local databases consolidated into comprehensive user' profiles. MetaMap dashboard allows you to automate and streamline manual verification. Need advice? Our international Customer Success Team can help.
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    Incognia Reviews
    Location Behavioral Biometrics We create a dynamic location fingerprint by using the unique location behavior pattern of each user. This makes it very difficult for fraudsters or forgers to copy or forge. Incognia's location-based fraud solutions are designed to help financial institutions and retailers prevent account fraud and account takeover. Our precise location technology uses network signals and on-device sensors data to create unique behavioral patterns that allow users to be identified and authenticated. Our solution does not require PII and works in background to provide a secure and frictionless experience.
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    VerifyKit Reviews

    VerifyKit

    VerifyKit

    $7.90 per month
    VerifyKit allows users to sign up seamlessly for your app without requiring a phone number or a one-time password. It is reliable and customizable. Your users can also choose their preferred platform, e.g. For verification, you can use WhatsApp, Telegram, or SMS
  • 18
    Super Gluu Reviews
    Super Gluu, a push-notification 2-factor authentication (2FA), mobile app designed to work with the Gluu Server, is a push notification two-factor authentication (2FA), mobile app. Super Gluu uses public key encryption according to the FIDO U2F authentication standards. Upon device registration, Super Gluu registers the public key against Gluu Server's FIDOU2F endpoint. Authentication is handled by Super Gluu. This ensures that the device has the correct private key. Customers, citizens, and remote workers can have better identity access management. The Gluu Server is ready-to-use for Super Gluu -- just turn it on! Approve push notifications to provide strong access security. Approve a push notification to make strong access security as simple as possible. The Gluu Server can be used in the same network as Super Gluu, provided that there is no DNS server hostname and that there is a self-signed certificate. Only one restriction: Both components must be part of the same network.
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    Axiomatics Orchestrated Authorization Reviews
    Dynamic policy strategy for authoring and managing access control. Made for today's Zero Trust Challenges. Organizations like yours are adopting an Orchestrated Authorization strategy to combat isolated authorization. Our solution allows Information Access Management (IAM), DevOps, DevSecOps, and application owners to create, test, deploy and analyze policies. You are rewarded by an authorization strategy that aligns with a Zero Trust approach, creates visibility of policies, accelerates the development of applications, and provides confidence.
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    aPersona Reviews
    aPersona ASM uses machine learning, artificial intelligence (learning and problem solving) and cognitive behavioral analytics to protect online accounts, web services portals and transactions from fraud. aPersona's adaptive multi-factor authentication adds an additional layer of security to any web service. aPersona was created to meet a wide range of requirements. Meets GDPR Risk Evaluation Guidelines. It is economically viable. It is invisible to minimize disruptions to end-user login experience. Tokenless to ensure that end-users don’t need to download or carry anything. Adaptive intelligence allows for highly tuned forensic checks in changing environments. Dynamic identities that change and move over time (nothing static!) The service offers learning modes to make it easy and painless to engage with. Patented technology from aPersona provides additional login security and loads of features that can be used by any organization to address their login security concerns.
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    Secfense Reviews
    Secure your company, employees, and customers with stronger authentication. 2FA can be deployed in minutes and not weeks. 2FA (and other user access policies) are built into the infrastructure and not fixed to applications. Allowing the use of all 2FA methods on the market, now and in the future, without changing the core. Protection is available to all employees, including those who work in the public, private, and on-premise sectors. Secfense is installed between your users and the applications they access. It tracks traffic patterns that are related to authentication. It can then enforce multifactor authentication logon and other sensitive actions, without interfering in applications existing code or databases. The platform always has the most current 2FA methods. Secfense and applied methods are not affected by application changes. You can control session expiration rules across all applications. Do not rely on VPNs. Instead, trust users and their devices.
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    UniFi Identity Reviews
    Secure, Cloud-based IDaaS solution that allows you to customize site and user access. You can optimize network security with a combination single sign-on (SSO), multifactor authentication (MFA) and lifecycle management services (LCM). An intuitive, user-friendly interface allows you to manage user access. One click to connect to your corporate VPN or WiFi. Instantly connect and authenticate. Securely manage and control your access control system. Employees can unlock doors using their phone, NFC card or other simple authentication methods. When guests call through a UA Pro reader, they can greet them from their mobile devices. A complex, multilayered suite of authentication methods that can be adapted to user behavior, application sensitive, and other situations.
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    EnSecure Reviews
    Strong multi-factor customer authentication designed for secure first time log-in, transaction signing, document verification protection. -Performance and reliability across all usage levels​ saving costs​ -Agile integration with Soft OTP and Electronic Certificate, rapid adjustments to meet evolving needs​ -Minimal maintenance with automated updates, continuous operation and reduced operational overhead​ -Optimized for high performance, fast, secure log-ins & transaction processing​ -Top-tier security with asymmetric signing technology, multi-factor authentication, safeguarding against fraud ​ Unlimited usage under single license, no additional ​ server costs​ -Seamless user-friendly experience, easy integration into mobile apps, intuitive authentication processes​
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    Loginizer Reviews

    Loginizer

    Loginizer

    $24 per year
    Loginizer is dedicated to protecting WordPress websites from any attack. Loginizer believes security is the most important aspect of a website. Therefore, we work around the clock to create features that will help you secure your website without the need to monitor it. We are always looking for new features and ways to protect your site against brute-force attacks. All WordPress Core differences will be reported to the Administrator. An email with a temporary login URL. Secondary challenge questions can be set by users. Two-factor auth using Google Authenticator, Authy, etc. Loginizer can disable XMLRPC. Login attempts that failed to login are available in the logs. Blacklist an IP address or IP range to prevent login attempts. Loginizer is now integrated into WordPress as a plugin. You can install it from your WordPress dashboard to get started.
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    GPayments Reviews

    GPayments

    a neurocom company

    GPayment offers a complete line of integrated authentication products based upon the 3D Secure protocol. Verified by Visa, Mastercard SecureCode and JCB J/Secure. American Express SafeKey, Diners Club International ProtectBuy. Liability shift is a way to reduce credit card fraud and eliminate chargebacks. Online fraud is reduced and transactions authenticated by authorized parties can be refunded. For more accurate risk-based authentication, collect a rich data set. The ActiveServer hosted service is scalable and available 24/7 to help clients save time and resources. The client does not need to be certified with each card scheme if they are to deploy in-house.