Best Portier Alternatives & Competitors in 2025

OpenID is a safe, faster and easier way to log in to web sites.

Key OpenID features:

Single Sign-On Decentralized Authentication Improved User Experience Enhanced Privacy

Open Source

humanID is a one-click anonymous SSO that provides users with an anonymous identity layer.

Key humanID features:

Privacy-Focused Spam Reduction User Control Security

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Key ComplyCube features:

AML & Sanctions Screening PEP Checks Negative Media Screening Watchlist Screening

Try for free freemium $0.1 (per credit)

OAuth is an open standard for authorization. It allows users to share their private resources (e.g.

Key OAuth features:

Delegated Authorization Third-Party Integration Granular Access Control Enhanced Security

IndieAuth is a way to use your own domain name to sign in to websites.

Key IndieAuth features:

Decentralization User Control Interoperability Simplicity

BugMeNot is a free Internet service that provides usernames and passwords to allow users to bypass the registration process for websites.

Key BugMeNot features:

Convenience Privacy Time-saving Access to Content

Facebook Connect is a set of APIs from Facebook that enable Facebook members to log onto...

Key Facebook Connect features:

Ease of Integration User Convenience Access to Facebook Data Increased User Engagement

LemonLDAP::NG is a free software to provide WebSSO, Access Management and Identity Federation.

Key LemonLDAP::NG features:

Open Source Highly Customizable Comprehensive Feature Set Community Support

An open-source, standards-compliant, and flexible OpenID Connect and OAuth 2.x framework for ASP.NET Core.

Key IdentityServer features:

Open Source Foundation Comprehensive Protocol Support Customizability Enterprise-Ready

Open Source

Open Source Identity and Access Management for modern Applications and Services.

Key Keycloak features:

Open-Source Feature-Rich Customizability Integration Capability

Open Source

Elegant user management, tailor-made for B2B SaaS.

Key Frontegg features:

User Management Seamless Integration Customizable UI Security Features

Open Source freemium

Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups and help secure access to applications including Microsoft online services like Office 365 ….

Key Microsoft Azure Active Directory features:

Scalability Integrations Security Features Single Sign-On (SSO)

yiid - Your Internet Identity - Simplify your community life.

DotNetOpenAuth is a free-to-use compiled library that comes with the real support to your site visitor to login with the help of openIDs via getting control of the ASP.NET control onto the page.

Key DotNetOpenAuth features:

Comprehensive Support Security Features Community and Documentation Integration with .NET Framework