Authentication & Identity
Part of Backend Services
User auth, SSO, identity management
Services(9)
Ownership Structure
Deployment
License Type
Country
98%
EU
BootstrappedSaaS
Authentication & Identity
Friendly Captcha
Privacy-first invisible CAPTCHA using proof-of-work puzzles
82%
EFTA
Mixed (<30% Non-EU)Self-HostableApache-2.0
Authentication & Identity
Zitadel
Open source identity infrastructure with multi-tenant support
★ 13.7k
74%
EU
BootstrappedSelf-HostableApache-2.0
Authentication & Identity
Ory
Open source identity and access management components
★ 13.6k
73%
BootstrappedSelf-HostableApache-2.0
Authentication & Identity
Authelia
Open-source OpenID Connect authentication and authorization server
★ 27.7k
62%
BootstrappedSaaS
Authentication & Identity
hCaptcha
Privacy-first CAPTCHA and bot protection platform
53%
Public SectorSelf-HostableApache-2.0
Authentication & Identity
Keycloak
Open source identity and access management server
★ 34.2k
48%
EU
BootstrappedSelf-HostableSaaSMIT
Authentication & Identity
Authentik
Self-hosted open-source identity provider with SAML, OAuth2, and LDAP
★ 21.3k
37%
Mixed (<30% Non-EU)Self-HostableApache-2.0
Authentication & Identity
SuperTokens
Open source user authentication with self-hosted sessions
★ 15.0k
26%
Public (US)Self-HostableGPL-3.0 / AGPL-3.0
Developer Tools
Bitwarden
Open-source password manager with secrets management
26%
Adequacy
Non-EU ControlledSaaS
Authentication & Identity
Onfido
Identity verification platform for document, biometric, and data checks
26%
Public (US)Self-HostableSaaSMPL-2.0
Secrets Management
HashiCorp Boundary
Identity-based access management for secure remote access without VPNs
★ 4.0k