Implement authentication in web applications
Manage customer identity and access control
Implement user authentication and identity verification
Authentication & Identity
Both are authentication libraries/platforms for developers. Lucia was a lightweight auth library (now deprecated as of March 2025), while Stack Auth is a full-featured CIAM platform. They serve similar developer authentication needs but at different scales.
Vendor sources: stack-auth.com [1]lucia-auth.com [2]
Customer Identity and Access Management
Both platforms provide CIAM capabilities including authentication, multi-factor authentication, and access management. Stack Auth offers broader developer-focused features while Nevis emphasizes enterprise security and compliance.
Price$1,263.75+ / month
Vendor sources: stack-auth.com [1]nevis.net [2]
Customer Identity and Access Management
Both Stack Auth and OwnID provide authentication solutions, but OwnID specializes in biometric liveness detection and fraud prevention, while Stack Auth offers broader CIAM and OAuth management. They address overlapping authentication needs but with different technical approaches and specializations.
Vendor sources: stack-auth.com [1]ownid.com [2]
Authentication & Identity
Open-source authentication library for web apps supporting NextAuth, SvelteKit, and SolidStart frameworks.
Authentication & Identity
Authentication platform for B2B applications with hosted login, organization management, and RBAC built in.
Authentication & Identity
Passkey-first authentication platform providing passwordless login components for web and mobile applications.
Identity & Access Management
Open source identity and access management platform with web UI for SSO and OAuth 2.0 authentication.
Identity & Access Management
Zitadel is an open-source identity management platform providing authentication, authorization, and user management with multi-tenancy support for B2B SaaS applications.
Authentication & Identity
Open-source authentication and authorization server providing 2FA and SSO for apps via reverse proxy.
Authentication & Identity
Decentralized identity and passwordless auth platform offering magic links, social logins, and Web3 wallet support for modern apps.
Price$99+ / month
Starting price: above the category median.
