Best Authentication Software for Small Businesses (Free & Paid)

Running a small business comes with unique challenges, including tight budgets and limited resources. That’s why choosing the right authentication software can significantly improve your workflow and help you compete more effectively. Here, we feature the top authentication software solutions designed for small businesses—offering affordable pricing, user-friendly interfaces, and scalable features that grow alongside your company.

Last Updated: September 03, 2025

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279 Software

Popular Picks in Authentication Software

Auth0

Auth0

$35 Per month

Conecta Suite

Conecta Suite

$8.5 Per user

Duo Security

Duo Security

$3 Per month

Google Authenticator

Google Authenticator

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List of Top Best Authentication Software for Small Businesses

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Employee and Customer Identity Solutions

Okta is a cutting-edge identity management software designed to enhance security and efficiency in handling user access to various applications and systems. It acts as a single sign-on solution, allowing users to access multiple tools with one login, streamlining the authentication process. Okta's security features are robust, offering multi-factor authentication (MFA) to protect against unauthori... Read more about Okta

Free Trial

30 Days

Pricing Type

$6 Per user

Location

United States

Secure access for everyone. But not just anyone.

Auth0 is a powerful and versatile identity management platform specifically designed and developed to streamline and secure user authentication and authorization processes. Its key feature is the universal login, which allows users to access a wide range of applications with a single set of credentials, greatly enhancing user experience. Auth0 stands out for its robust security protocols, includin... Read more about Auth0

Free Trial

Available

Pricing Type

$35 Per month

Location

United States

#1 Password Manager & Vault App with Single-Sign On & MFA Solutions

LastPass is a widely-used password management tool that simplifies online security. It stores and encrypts passwords, making them accessible with one master password. Its key features include password generation, auto-fill for forms, and secure password sharing, enhancing both convenience and security. LastPass also offers cross-platform support, which ensures access to your passwords on any devic... Read more about LastPass

Free Trial

14 Days

Pricing Type

$3 Per month

Location

United States

Multi-Factor Authentication & Single Sign-On

Duo Security, now a part of Cisco, is a leading multi-factor authentication (MFA) and secure access solution. It's designed to protect organizations by ensuring only legitimate users and secure devices have access to sensitive data. Duo's simplicity is a standout feature, offering an easy-to-use interface and seamless integration with various applications and systems. It supports a range of authen... Read more about Duo Security

Free Trial

30 Days

Pricing Type

$3 Per month

Location

United States

Securing Access, Authentication, and Identity Management On-Premises.

RSA SecurID stands out in the cybersecurity field for its robust approach to securing digital identities and access management. Its hallmark feature is the RSA SecurID token, which generates a unique code for each login attempt, ensuring a high level of security through two-factor authentication. This software is particularly adept at safeguarding sensitive data in diverse IT environments, from cl... Read more about RSA SecurID

Free Trial

More than 30 days

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Location

United States

Mainframe Security Suite is a comprehensive data discovery software solution tailored for organizations managing sensitive information on mainframe systems. This suite offers robust tools for identifying, monitoring, and protecting data across various environments. With advanced scanning capabilities, Mainframe Security Suite automates the discovery of sensitive information, including personally i... Read more about Mainframe Security Suite

Free Trial

NA

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Location

United States

IBM Security Verify Identity is a leading authentication software solution designed to provide secure and seamless user identity management for enterprises. With its multi-factor authentication (MFA) capabilities, the software strengthens security by requiring multiple forms of verification before granting access to systems or applications. IBM Security Verify Identity supports biometrics, adaptiv... Read more about IBM Security Verify Identity

Free Trial

NA

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Location

United States

SAP Single Sign-On (SSO) is a robust security solution that enables users to access multiple applications with just one set of login credentials. This software simplifies the authentication process by eliminating the need for users to remember multiple passwords for various systems. SAP SSO integrates seamlessly with both SAP and non-SAP applications, offering a unified authentication process acro... Read more about SAP Single Sign-On

Free Trial

NA

Pricing Type

Contact Vendor

Location

Germany

ESET Secure Authentication is an advanced authentication software that provides multi-factor authentication (MFA) to enhance the security of business systems and sensitive data. The platform offers an added layer of protection by requiring users to verify their identity through multiple methods, such as biometric recognition, SMS, or mobile app tokens. ESET Secure Authentication helps organization... Read more about ESET Secure Authentication

Free Trial

NA

Pricing Type

$69.9 Per year

Location

United States

SafeNet Trusted Access is a comprehensive identity management software designed to provide secure access to applications and data across an organization. The platform enables businesses to implement single sign-on (SSO), multi-factor authentication (MFA), and access controls, ensuring that only authorized users can access sensitive information. SafeNet Trusted Access supports integration with a wi... Read more about SafeNet Trusted Access

Free Trial

NA

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Location

France

Microsoft Authenticator is a security application that provides an additional layer of authentication to protect user accounts from unauthorized access. The software supports multi-factor authentication (MFA) and offers a simple way for users to verify their identity. Microsoft Authenticator generates one-time passcodes for login or sends push notifications to mobile devices for approval, making i... Read more about Microsoft Authenticator

Free Trial

Available

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Location

United States

Amazon Cognito is a robust authentication and user management service that allows businesses to add secure sign-in capabilities to their applications. Designed for scalability, Cognito makes it easy to authenticate users, manage sessions, and integrate with third-party identity providers like Facebook, Google, and Amazon, or custom identity providers. It simplifies user sign-up, sign-in, and acces... Read more about Amazon Cognito

Free Trial

NA

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Location

United States

AWS Amplify is a comprehensive app building software designed to help developers build, deploy, and manage full-stack web and mobile applications. The platform simplifies the development process by providing pre-configured tools and services, including authentication, APIs, and analytics, which integrate seamlessly with AWS services. AWS Amplify enables developers to quickly build scalable, secure... Read more about AWS Amplify

Free Trial

NA

Pricing Type

Contact Vendor

Location

United States

F5 BIG-IP Access Policy Manager (APM) is a remote work software solution designed to provide secure access to corporate resources from any device, anywhere. This platform offers centralized identity and access management, enabling businesses to authenticate users, enforce access policies, and secure connections across remote work environments. F5 BIG-IP APM provides multi-factor authentication (MF... Read more about F5 BIG-IP Access Policy Manager

Free Trial

NA

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Location

United States

Atlassian Access is an advanced access governance software designed to help organizations manage user access to their Atlassian products effectively. This platform provides tools for centralized user management, ensuring that businesses can maintain control over permissions and user roles across their applications. With features such as single sign-on (SSO), multi-factor authentication, and automa... Read more about Atlassian Access

Free Trial

Available

Pricing Type

$8.88 Per user

Location

United States

ID Federation is a robust authentication software designed to help organizations manage user identities and access controls securely. This platform provides tools for single sign-on (SSO), multi-factor authentication (MFA), and identity verification, ensuring that users can access applications and resources safely and efficiently. With features such as real-time monitoring, audit logging, and comp... Read more about ID Federation

Free Trial

NA

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Location

United States

Twilio User Authentication & Identity is an authentication software designed to help businesses secure user logins and manage user identities. The platform provides features for implementing multi-factor authentication (MFA), phone-based verification, and single sign-on (SSO) to ensure that only authorized users can access applications and sensitive data. Twilio User Authentication & Identity inte... Read more about Twilio User Authentication & Identity

Free Trial

Available

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Location

United States

Nuance Gatekeeper is an authentication software designed to provide businesses with secure, voice-based user authentication for their applications and systems. Using advanced biometrics and speech recognition technology, the platform can verify the identity of users based on their voice patterns, providing a seamless and secure authentication experience. Nuance Gatekeeper includes features such as... Read more about Nuance Gatekeeper

Free Trial

NA

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Contact Vendor

Location

United States

Conecta Suite is an email signature management software designed to help businesses create, manage, and enforce consistent email signatures across their organization. With Conecta Suite, businesses can design branded email signatures that align with their corporate identity, ensuring uniformity and professionalism in all communications. The platform allows for easy customization, with the option t... Read more about Conecta Suite

Free Trial

Available

Pricing Type

$8.5 Per user

Location

Brazil

Google Authenticator is a simple yet powerful multi-factor authentication (MFA) software that adds an extra layer of security to online accounts. By generating time-based one-time passcodes (TOTPs) directly on your mobile device, Google Authenticator helps prevent unauthorized access even if your primary password is compromised. Compatible with a wide range of online services, including Google acc... Read more about Google Authenticator

Free Trial

NA

Pricing Type

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Location

United States

Azure Active Directory External Identities is a robust authentication solution designed to manage and secure access to applications for external users such as partners, suppliers, and customers. It integrates with Microsoft’s Azure Active Directory (Azure AD) to provide a seamless identity and access management experience for external identities. The platform allows organizations to extend their... Read more about Azure Active Directory External Identities

Free Trial

NA

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Location

United States

Verizon ID is a comprehensive Identity Management Software designed to secure and manage user identities across enterprise environments. It offers a robust platform for authentication, authorization, and user provisioning, ensuring that organizations can protect sensitive information and comply with industry regulations effectively. Verizon ID features an intuitive interface that allows IT adminis... Read more about Verizon ID

Free Trial

NA

Pricing Type

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Location

United States

Integrated PKI Authentication is a sophisticated Authentication Software designed to enhance security and streamline user authentication processes for organizations of all sizes. It leverages Public Key Infrastructure (PKI) to provide robust, scalable, and secure authentication methods, ensuring that only authorized users can access sensitive systems and data. Integrated PKI Authentication feature... Read more about Integrated PKI Authentication

Free Trial

NA

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Location

United States

NetIQ is a leading Identity Management Software designed to secure and streamline user access across complex IT environments. It offers a comprehensive platform for managing user identities, enforcing access policies, and ensuring compliance with regulatory standards, enabling organizations to protect sensitive data and reduce security risks effectively. NetIQ features an intuitive dashboard that ... Read more about NetIQ

Free Trial

NA

Pricing Type

Contact Vendor

Location

Canada

A secure platform for workforce identity and access management

Zoho Directory is an authentication and user management software that helps businesses secure their digital assets by providing a centralized platform for managing user access and authentication across multiple applications. This software simplifies the process of managing users by allowing administrators to create, modify, and remove user accounts in one central location. Zoho Directory integrate... Read more about Zoho Directory

Free Trial

Available

Pricing Type

$2 Per user

Location

United States

Explore Today’s Featured List of Top Best Authentication Software for Small Businesses

Maverics Identity Orchestration is a customer identity and access management (CIAM) software solution that allows businesses to manage user authentication and secure access to their digital platforms. This software ensures that only authorized users can access sensitive information, protecting both customer data and business assets. Maverics Identity Orchestration simplifies the customer login exp... Read more about Maverics Identity Orchestration

Free Trial

NA

Pricing Type

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Location

United States

HyperVerge is a robust authentication software platform that leverages advanced AI and machine learning to provide secure and accurate identity verification for businesses. Designed for high-security environments, HyperVerge enables users to authenticate identities through facial recognition, document verification, and biometric data analysis. The software offers a seamless experience for users, r... Read more about HyperVerge

Free Trial

Available

Pricing Type

Contact Vendor

Location

India

Authenticator App is an authentication software designed to provide an additional layer of security for online accounts through two-factor authentication (2FA). The platform generates one-time codes that users must enter alongside their regular password to access accounts, ensuring secure login processes. Authenticator App supports various authentication methods, including QR codes, time-based one... Read more about Authenticator App

Free Trial

NA

Pricing Type

Contact Vendor

Location

Spain

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