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Tag: authentication

Security

jwt_tool – JSON Web Token security testing toolkit

October 13, 2026 Steve Emms CLI, Security

jwt_tool audits JSON Web Tokens, tests signature weaknesses, fuzzes token claims and checks authentication flaws in web applications.

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Google Alternatives

Best Free and Open Source Alternatives to Google Authenticator

September 20, 2026 Steve Emms Security

Discover the best free and open source alternatives to Google Authenticator for secure two-factor authentication and OTP codes.

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FreeOTP – open source two-factor authenticator

September 20, 2026 Steve Emms Android

FreeOTP is an open source Android authenticator supporting HOTP and TOTP, QR scanning, encrypted backups and device authentication.

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FreeOTP+ – feature-rich two-factor authenticator for Android

September 20, 2026 Steve Emms Android, Security

FreeOTP+ is an Android authenticator supporting HOTP/TOTP, QR scanning, backups, biometrics, search, categories and offline icons.

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Best Free and Open Source Alternatives to Microsoft

Best Free and Open Source Alternatives to Microsoft Entra ID

September 10, 2026 Steve Emms Office

Best free and open source alternatives to Microsoft Entra ID for identity management, SSO, authentication, access control and federation.

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Security

5 Best Free and Open Source Linux MAC/RBAC Tools

July 12, 2026 Steve Emms Internet, Roundup, System Software

Harden a computer system or network using access controls such as Mandatory Access Control (MAC) or Role-Based Access Control (RBAC).

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Intrusion Prevention - SSH

privacyIDEA – multifactor authentication platform

July 3, 2026 Steve Emms Security

privacyIDEA adds multifactor authentication to VPNs, networks and applications using flexible tokens, authentication policies and APIs.

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Server

5 Best Free and Open Source Linux Network Authentication Tools

June 6, 2026 Steve Emms Internet, Roundup, Security, System Software

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that offers centralized connection authentication, authorization, and accounting management for various types of network access.

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teleport – modern SSH server

October 20, 2025 Steve Emms Internet

Teleport centralises infrastructure access using short-lived credentials, role-based policies, session recording and an SSH-aware proxy.

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Server

Kanidm – identity management platform

August 31, 2025 Steve Emms Internet

Kanidm is an identity management platform with passkeys, RADIUS authentication, OpenID Connect, LDAP access and Linux integration.

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Google Firebase

Supabase – real-time databases, authentication services, and file storage

February 25, 2025 Steve Emms Programming

Supabase is an open-source alternative to Firebase, offering real-time databases, authentication services, and file storage.

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Server

authentik – flexible identity provider and authentication platform

April 8, 2024 Steve Emms Internet

authentik is an identity provider with single sign-on, flexible authentication policies, RADIUS outposts, LDAP and application proxies.

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Passive OS Fingerprinting

PacketFence – network access control solution

November 5, 2023 Steve Emms Security

PacketFence provides network access control with 802.1X authentication, captive portals, device registration and access enforcement.

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Network

OpenLDAP – mature LDAP directory services

October 16, 2023 Steve Emms Software

OpenLDAP is a mature LDAP implementation offering slapd, lloadd, LMDB-backed storage, replication, overlays and comprehensive client tools.

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Network

OpenDJ – scalable Java LDAP directory server

October 16, 2023 Steve Emms Internet

OpenDJ is a Java LDAP directory server with multi-master replication, REST access, access controls and tools for enterprise identity services.

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Network

ApacheDS – extensible Java LDAP directory server

October 16, 2023 Steve Emms Internet

ApacheDS is an embeddable Java LDAP directory server with schema support, replication, access controls and integration with Directory Studio.

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Server

Keycloak – identity and access management platform

September 16, 2023 Steve Emms Internet

Keycloak is an identity and access management platform with single sign-on, federation, passkeys, SCIM provisioning and access controls.

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Server

Logto – identity and access management for modern applications

September 16, 2023 Steve Emms Internet

Logto is an identity platform for applications with sign-in flows, enterprise SSO, passkeys, role-based access and organisation management.

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Network

GLAuth – lightweight LDAP authentication server

August 9, 2023 Steve Emms Internet

GLAuth is a lightweight LDAP authentication server with configurable backends, account management, proxying and two-factor authentication.

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