Open Source Tesseral Alternatives
Add enterprise auth without SaaS fees. Open source Tesseral alternatives for B2B authentication, SSO, and organization management on your servers.
Tesseral aims to streamline the complex process of building and managing B2B user authentication and authorization systems. It offers pre-built UI components, enterprise connections (SAML SSO & SCIM), and SDKs to accelerate development. However, the core offering is freemium with an open-source component, which may not suit projects requiring complete self-hosting or avoiding reliance on proprietary services.
The platform’s strengths lie in its ease of integration and focus on B2B SaaS needs. Key features include customizable login UIs, support for various identity providers, and robust API security controls. Users often explore alternatives to Tesseral when they need more extensive customization options, seek a purely open-source solution, or want to avoid vendor lock-in and potential future cost increases associated with the freemium model.
Ultimately, while Tesseral aims to simplify user management, its freemium nature encourages users to examine other solutions. Common reasons for seeking open source Tesseral alternatives include wanting full control over data, avoiding subscription costs, and benefiting from community-driven development. These alternatives often provide a more flexible and transparent approach to securing B2B applications.
What Tesseral Offers
Pre-built Login UI
Ship a customizable login page quickly with minimal code, allowing developers to match styling and branding requirements.
Enterprise Connections
Integrate with existing identity providers using SAML single sign-on (SSO) and SCIM provisioning for streamlined user management.
API Security
Implement robust API security controls to protect your B2B application's data and endpoints from unauthorized access.
SDK Support
Easy-to-use SDKs simplify integration with various frameworks and platforms.
Common Use Cases
B2B SaaS Application Security
Securing user access and data within a business-to-business software application.
Custom Authentication Flows
Implementing unique authentication processes beyond standard username/password logins.
API Protection
Controlling access to APIs and preventing unauthorized use of sensitive data and functionality.
Role-Based Access Control (RBAC)
Defining and managing user permissions based on their roles within the organization.
Open Source Alternatives
ZITADEL
Authentication
Open-source, API-first identity platform delivering multi-tenancy, Passkeys, OIDC, SAML, and SCIM without vendor lock-in.
Logto
Authentication
Open-source auth infrastructure for SaaS and AI apps with OIDC, SAML, and RBAC
Hanko
Security · Authentication
Open source, self-hostable authentication platform with passkeys, SAML SSO, and OAuth — the privacy-first alternative to Auth0 and Clerk.