Best Free Authentication Software of 2026 - Page 3

WSO2 Identity Server API-driven is built on open standards and offers the option of cloud, hybrid, or on-premise deployments. It is highly extensible and can support complex IAM requirements. WSO2 Identity Server allows you to do single sign-on as well as identity federation. It is backed up by strong and adaptive authentication. Securely expose APIs and manage identities by connecting with heterogeneous user accounts. Open-source IAM can be used to innovate quickly and to build secure Customer IAM solutions (CIAM) to deliver a user-friendly experience.

VerifyKit offers a user-friendly verification solution that enables seamless app sign-ups without requiring a phone number or one-time password for authentication. In addition to its reliability and customization options, it provides users with the flexibility to select their preferred verification platform, such as WhatsApp, Telegram, or SMS, enhancing their overall experience. This adaptability ensures that users can engage with the app in a way that suits them best.

Super Gluu is a mobile application designed for push-notification two-factor authentication (2FA) that seamlessly integrates with the Gluu Server. It employs public-key encryption in accordance with the FIDO U2F authentication standard. During the device enrollment process, Super Gluu registers its public key with the FIDO U2F endpoint of the Gluu Server. Authentication involves a challenge-response mechanism to verify that the device possesses the corresponding private key. This solution enhances identity and access management for customers, citizens, and remote employees alike. Super Gluu is readily compatible with the Gluu Server, requiring just a simple activation for use. Strong access security can be achieved with minimal effort, as easy as approving a push notification. The Gluu Server and Super Gluu can function effectively within the same network, without needing a DNS hostname or relying on a standard certificate. However, it is essential that both components remain within the same network for optimal performance. This streamlined approach facilitates secure access while minimizing complexity for users.

Asgardeo simplifies the process of incorporating secure authentication flows into applications through a few straightforward steps. It allows for seamless integration with single-page applications, traditional web applications, and mobile platforms. The solution includes SDKs that support a variety of technology stacks, making it versatile for developers. Users can implement social sign-ins with major platforms like Google, Facebook, and GitHub using ready-made templates, with plans for additional options in the future. The system allows for the configuration of external identity providers that connect via established protocols such as OpenID Connect and SAML. Administrators can efficiently manage their customers, employees, and partners using the default onboarding and management workflows provided. Asgardeo also gives the choice to utilize its own directory service or connect to existing LDAP or Active Directory systems through an agent. For two-factor authentication, developers can select from multiple methods, including Email OTP, SMS OTP, and TOTP, ensuring a high level of security. Users can define intricate multi-step processes and tailor configurations to meet specific user needs. By leveraging Asgardeo, developers can enhance the overall user experience by concentrating on business logic while ensuring that login and secure access are reliably maintained for end-users. This comprehensive approach not only streamlines the authentication process but also fortifies the security framework within applications.

Studid allows students, researchers, and educators to authenticate natively using the SSO (Single Log-on) Service at their institution.

After configuring Dynamic, you gain the ability to effortlessly add or remove chains, enable data collection, set up gates and access lists, and much more, all without needing to edit any code. Dynamic is compatible with EVM chains, Solana, and Flow, with additional chains on the horizon. Activating these features is as simple as flipping a switch. The SDK provided by Dynamic is entirely customizable, allowing you to adjust aspects such as colors, corners, and overall user experience. You can automatically prevent transactions from risky wallets by cross-referencing all wallets with Chainalysis’ US OFAC sanctions list. To enhance your security measures further, you have the option to upgrade to a comprehensive suite of monitoring and compliance tools from Chainalysis. Configuration of gating can be done easily through your developer interface. Establish an allow list specifically for your developers and alpha customers, and if there are wallets you wish to block, you can create a block list with just a single click. This level of flexibility ensures that you maintain control over your platform’s security and access.

Security Building Blocks for Developers. BoxyHQ offers a suite of APIs for enterprise compliance, security and privacy. It helps engineering teams to reduce Time to Market without sacrificing their security posture. They can implement the following features with just a few lines of code. SaaS or Self-hosted. 1. Enterprise Single Sign On (SAML/OIDC SSO) 2. Directory Sync 3. Audit Logs 4. Data Privacy Vault (PII, PCI, PHI compliant)

IDmelon Authenticator, a mobile app that is available on Google Play or App Store, allows you to turn your smartphone into a FIDO-certified security key that allows you to securely log in to websites, online accounts, apps, and other sites. This means that instead of using the traditional method of presenting your username or password to log in to accounts like Microsoft or GitHub, you can use your username and security keys to add an extra layer of security. Organizations can use IDmelon Admin Panel to login to manage users, security keys, and to deploy passwordless authentication within their organizations overnight to protect their data, employees, and assets.

The missing web-scale identity and access control API. Today, 10x your security and user experience. Build secure apps over the Ory Network to reach new customers in any region of the globe with the best login experiences ever. Login is much more than just a username and a password. It is dangerous and time-consuming to build it from scratch. Ory's API first microservice architecture allows projects to be integrated at any stage. Pay for usage and not features. Ory subscription plans include advanced multi-factor authentication. Plus, advanced permissions, SSO OAuth2, OIDC multi-tenancy and more. Ory is designed for high-performance and high-scale applications on any cloud. Ory is designed with developers in mind. It allows you to quickly create your own user experience, and integrate it within your software stack. Ory's focus is on open standards, and its automated data import capabilities make migrating to legacy systems simple.

AgentAuth stands out as a dedicated authentication solution that streamlines secure and efficient access for AI agents across more than 250 external applications and services. The platform supports an array of authentication protocols, ensuring dependable connections alongside features like automatic token refresh. Additionally, it integrates effortlessly with top agent frameworks such as LangChain, CrewAI, and LlamaIndex, thereby amplifying the operational capabilities of AI agents. With a centralized dashboard, AgentAuth grants users complete visibility into their connected accounts, which aids in effective monitoring and rapid issue resolution. The platform also provides options for white-labeling, enabling businesses to tailor the authentication experience to fit their branding and OAuth developer applications. Upholding stringent security protocols, AgentAuth adheres to SOC 2 Type II and GDPR requirements, implementing robust encryption methods to safeguard data integrity. Moreover, its continuous updates and enhancements ensure that it remains at the forefront of authentication technology, adapting to the evolving needs and challenges of the digital landscape.

Allthenticator offers a seamless passwordless authentication experience by combining digital and physical access into one secure, smartphone-based identity platform. Users benefit from proximity-based logins to computers, websites, and servers, alongside convenient door unlocking without the need for passwords, tokens, or keycards. The platform supports advanced security features such as SSH key signing, passkey authentication, and one-time password (OTP) management. It integrates natively with popular identity providers like Azure AD and Okta, simplifying enterprise deployment. Admins enjoy a comprehensive centralized dashboard that offers role-based access control, audit trails, and real-time visibility into access events. The decentralized credential recovery feature empowers users to securely back up their credentials with trusted contacts, eliminating dependence on cloud storage. Organizations adopting Allthenticator have reported a 94% reduction in password resets and a 76% decrease in time spent on access management. Employee satisfaction with the platform reaches as high as 96%, demonstrating its ease of use and effectiveness.

Tesseral serves as an open-source solution designed for overseeing identity and access within business applications. It boasts enterprise-level features such as SAML single sign-on, SCIM provisioning, role-based access controls, managed API keys, and audit logs—all achievable with minimal coding effort. By consolidating access management for employees, clients, services, and AI agents, Tesseral empowers organizations to seamlessly adapt to various deployment models while maintaining strict control over security policies. For further information, you are encouraged to explore our documentation or visit our GitHub repository to get involved.

An innovative authentication platform designed specifically for developers, Stytch allows you to efficiently onboard, authenticate, and engage your users through its robust APIs. Enhance both security and user satisfaction by utilizing flexible solutions that eliminate the need for passwords. We handle the backend infrastructure, enabling you to concentrate on enhancing your product offerings. Our SDKs come equipped with customizable templates that can be adjusted to match your branding elements, such as colors, fonts, and logos, ensuring that you can provide smooth onboarding and authentication experiences that please users while aligning with your brand identity—without the complexity of designing user interfaces from scratch. For those seeking greater customization, our direct API integration offers a balance between developer needs and user experience, facilitating swift, secure, and user-friendly passwordless authentication processes. With our straightforward and detailed documentation, the integration process becomes not only efficient but also hassle-free, allowing you to focus on what truly matters in your project. As you embark on this journey, you'll find that our platform is designed to support your growth and success effectively.

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.

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.

ControlAuth is the first system to tackle the $10 billion account sharing problem, providing subscription services with the tools they need to stop unauthorized logins and recover lost revenue. The platform offers a simple setup and works by detecting shared accounts, blocking them, and encouraging sharers to convert into paying customers. With proven success across industries like streaming, ControlAuth helps businesses increase their subscriber base and revenue, offering immediate results and actionable insights. With free plans and dedicated support, businesses can implement ControlAuth effortlessly to boost growth and profitability.