Best Authentication Software for Linux

FusionAuth provides a comprehensive authentication platform designed for flexibility, security, and developer ease. It supports a wide range of authentication methods including username/password, passwordless, multi-factor authentication (MFA), and social logins. FusionAuth is built API-first, allowing seamless integration into any tech stack or architecture. It supports industry protocols like OAuth2, OIDC, and SAML for secure and standards-compliant authentication. Whether deployed on-premises, in the cloud, or in hybrid environments, FusionAuth gives you full control over the user login experience while helping you meet compliance requirements such as GDPR, HIPAA, and COPPA.

Sumsub is a full-cycle identity authentication platform that secures every step of the user journey. With Sumsub’s customizable KYC, KYB, AML, Transaction Monitoring and Fraud Prevention solutions, you can orchestrate your verification process, welcome more customers worldwide, meet compliance requirements, reduce costs and protect your business. Sumsub achieves the highest conversion rates in the industry—91.64% in the US, 95.86% in the UK, and 97.89% in Hong Kong—while verifying users in less than 50 seconds on average. Sumsub’s methodology follows FATF recommendations, the international standard for AML/CTF rules and local regulatory requirements (FINMA, FCA, CySEC, MAS, BaFin). Sumsub has over 2,000 clients across the fintech, crypto, transportation, trading, e-commerce and gaming industries including Bitpanda, Wirex, Avis, Bybit, Huobi, Kaizen Gaming, and TransferGo.

Skillmine Auth is a comprehensive Identity and Access Management (IAM) platform that enables organizations to securely manage user identities, access control, and authentication across all business applications. It supports modern standards like SAML, OAuth 2.0, and OpenID Connect, along with custom authentication for legacy systems. Skillmine Auth offers flexible deployment options (Cloud or On-Premises) and integrates seamlessly with Active Directory, HRMS, and other enterprise systems to deliver unified and secure user experiences.

LastPass is a cloud-based password manager available on any system or device, ensuring credentials are protected, private, and always within reach. Simple to set up and effortless to use, LastPass delivers the world's most convenient password management experience for consumers and businesses of all sizes and technical requirements. Say goodbye to password fatigue by generating, sharing, accessing, and managing credentials at the click of a button, while preventing bad actors from accessing precious data and account logins. Businesses also utilize LastPass to consolidate their tech stacks or to fill access management gaps with native integrations for MS Entra, Okta, and other IdPs and IAMs. With over 100 customizable policies, flexible privileges, detailed reporting, MFA and passwordless authentication options, LastPass makes it easy for organizations with numerous logins and increasing security risks to standardize password management company wide.

With over 5000 SAML integrations, experience seamless and secure connections with Cipherise - the platform that offers infinite ways to connect with your employees and customers. By integrating with Cipherise, you can easily build authentication into any app, and offload customer identity management to create delightful experiences quickly. With Cipherise's mutual, bi-directional authentication, you get the security, scalability, reliability, and flexibility to build the stack you need. You will know the person who registered continues to be that person, and they know you are you. Plus, you can protect and enable your employees, contractors, and partners with Cipherise enterprise solutions - no matter where they are. One of the key features, that separate Cipherise from all others - Cipherise eliminates Mass Data Breaches. An attack is limited to one user on one system. Additionally, we store no passwords. Cipherise streamlines your identity and access management needs.

TrustBuilder is your reliable partner in cybersecurity. We go beyond the traditional software firm role, focusing on delivering robust and secure solutions that foster trust among enterprises. Through our Access Management Platform, TrustBuilder.io, our commitment is to ensure the secure digital journey of your employees, partners, and customers. With our advanced MFA and CIAM technology, we provide uninterrupted access while safeguarding identities. > TrustBuilder's SaaS MFA provides airtight, phishing-resistant security, passwordless experience, and seamless integration. > TrustBuilder's tailor made CIAM provides PBAC delivering fine grained authorization based on attributes with customisable workflows.

OpenOTP Security Suite is a European Enterprise-grade Security all-in-one Solution for Identity & Access Management (IAM), including : - Multi-Factor Authentication (MFA/2FA) with U2F / OTP, applicable even for Legacy Applications - Federation Services (SSO with OpenID & SAML / ADFS) - Network Access Control (protecting Wifi & Ethernet Swiches) - VPN security (via an included Radius Bridge), designed specifically for remote work - Windows logins & Remote Desktop Services (RDS) OpenOTP Security Suite combines mobile technology with proven security standards to offer professionals and non-professionals the best alternative, bringing modularity and flexibility to suit any infrastructure's needs. OpenOTP Security Suite is an enterprise-class European security solution designed for installation on-premises or in a private cloud. ++ Free Token App (and compatible with most existing hardware and software tokens) ++ Free 30-day Trial ++ Freeware (<25 users)

HYPR fixes the way the world logs in. Organizations are faced with the challenge of achieving secured and seamless authentication coupled with a flawless user experience at a time when it’s more critical than ever. HYPR’s passwordless multi-factor authentication (PMFA) platform decouples authentication from the organization’s current and future identity providers and eliminates the traditional trade-off between security and user experience by providing uncompromising assurance and consumer-grade experience with true passwordless and phishing-resistant MFA. The solution is trusted by more than 60M users worldwide. With deployments taking hours rather than weeks or months, organizations decrease the risk of attack, increase positive user experience, and lower operational costs.

Secret Double Octopus (SDO) provides a “best-in-class” enterprise passwordless MFA solution. In addition to market-leading completeness of features, SDO’s solution is differentiated by its patented automated password rotation approach and flexibility around enabling a “passwordless journey”. Organizations that are apprehensive about the move to passwordless, can progressively achieve Full Passwordless™ by beginning with traditional MFA on desktops or for remote worker use cases and eventually “flipping the switch” when they are ready. The company recently won AITE Novarica’s highest distinction in an evaluation of all major solutions, and has been designated a Gartner Cool Vendor.

ZITADEL is an open-source identity and access management platform designed to simplify authentication and authorization for applications. It offers a comprehensive suite of features, including customizable hosted login pages, support for modern authentication methods such as Single Sign-On (SSO) and social logins, and enforcement of multifactor authentication to enhance security. Developers can integrate authentication directly into their applications using ZITADEL's APIs or build dedicated login interfaces. The platform supports role-based access control, allowing for precise permission assignments based on user roles, and is inherently multi-tenant, facilitating easy extension of applications to new organizations. ZITADEL's extensibility enables seamless adaptation to various workflows, user management processes, and brand guidelines, with features like ZITADEL Actions that execute workflows after predefined events without the need for additional code deployment.

Regula is a global developer of forensic devices and identity verification solutions. With 30+ years of experience in forensic research and the largest library of document templates in the world, Regula creates breakthrough technologies in document and biometric verification. Regula hardware and software solutions allow over 1,000 organizations and 80 border control authorities globally to provide top-notch client service without compromising safety, security or speed.

The Teleport Infrastructure Identity Platform modernizes identity, access, and policy for infrastructure, for both human and non-human identities, improving engineering velocity and resiliency of critical infrastructure against human factors and/or compromise. Teleport is purpose-built for infrastructure use cases and implements trusted computing at scale, with unified cryptographic identities for humans, machines and workloads, endpoints, infrastructure assets, and AI agents. Our identity-everywhere approach vertically integrates access management, zero trust networking, identity governance, and identity security into a single platform, eliminating overhead and operational silos.

Protect your company, employees, and customers with simpler and stronger authentication. Deploy 2FA in minutes, not weeks. 2FA (and other user access security policies) built into the fabric of the infrastructure, not rigidly fixed to the applications. Enabling the use of any 2FA methods available on the market now and in the future without changing the core. Protection is available across the entire organization, spanning from on-premise, public and private cloud. Secfense is deployed in between your users and the applications they access. It learns the traffic patterns related to authentication. It can then enforce multi-factor authentication login and other sensitive actions without interfering with the applications existing code or database. Up-to-date 2FA methods are always available on the platform. Application changes don’t affect Secfense and applied methods. Take control over session expiration rules across all apps. Don’t rely on VPNs, base trust on users and their devices.

The most complete solution for digital onboarding, authentication and security formed by different biometrics and antifraud systems of FacePhi, offered with the best user experience in the market. A combination of biometric and other security systems that creates a complete digital onboarding and identity authentication solution that allows to access, verify and operate different services and products in mobile and web applications. A framework with an easy integration that allows our client to choose which components to activate providing a better and seamless experience for the end user. Face recognition allows us to determine the identity of a person by analyzing the face. Unlike other types of biometry like iris or fingerprint, face recognition is non-intrusive; it does not require cooperation from the user. It just needs to capture the face of the person with a web cam.

Strong multi-factor customer authentication designed for secure first time log-in, transaction signing, document verification protecting digital channels against fraud. Digital Identity, created by using multi-factor authentication is crucial for enhancing user experience, guaranteeing the protection of your customers’ assets, and adhering to regulatory requirements. EnSecure offers the ideal solution for end users’ authentication needs across many industries, with two versions based on Soft OTP and Electronic Certificate.

Increase user security without sacrificing convenience and ease of use.OneMorePass is a FIDO (Fast Identity Online) solution that uses biometric and quick authentication, eliminating the need for passwords. Using a password-less login, completely eliminate traditional vulnerabilities with password loss and ID user credential theft. Comply with FIDO Alliance International standards based on the public key. Apply various authentication methods and manage the integrated authentication lifecycle. Prevent phishing by sending notifications if there is an unauthorized log-in attempt. Configure your OneMorePass policy and ruleset to meet your company standards and policies. OneMorePass works using multiple authentication methods without the need for passwords. With an increased demand for user authentication technology, OneMorePass guarantees strong security and user convenience. Provide flexibility with multiple authentication methods to suit your needs and the needs of your users.

As a leading developer of cybersecurity solutions for over 25 years, WinMagic has entered the passwordless secure authentication market in 2022 by releasing MagicEndpoint. Leveraging our pedigree and experience in protecting endpoints and data-at-rest, MagicEndpoint is referred to as the most secure authentication solution with the best possible user experience – no user action required! MagicEndpoint ensures that CISOs and cyber security professionals can easily implement passwordless authentication, addressing their cyber security needs, while eliminating password friction and reducing password management costs. MagicEndpoint addresses a growing industry need for precise, strong user authentication while still protecting the data security within devices, servers, and networks.

Use your smartphone for secure authentication, next-gen logins, and more. Keyote is built by cyber security veterans, following standard authorized cryptography to give you the strongest possible protection. Everyone has a smartphone today, you don't need to have any additional hardware such as a USB token or smart card to be more secure. Software keys are easy to be copied and hence lost. Keyote stores keys in the phone security chip, effectively preventing their extraction. You must authorize the use of keys with biometry such as a fingerprint, Face ID, etc. So even if the phone is lost or stolen, your keys are still safe. Passwords are dead. People have to remember long passwords, and they have to change them frequently. We believe that there is a simpler way how to login: a smartphone. Contemporary mobile phones contain a powerful security chip, which in combination with a biometry authentication such as fingerprint or Face ID allows a user to login very securely and conveniently.