Ory Hydra VS Ory Kratos

Compare Ory Hydra vs Ory Kratos and see what are their differences.

Ory Hydra

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure. SDKs for any language. Works with Hardware Security Modules. Compatible with MITREid. (by ory)

Ory Kratos

Next-gen identity server replacing your Auth0, Okta, Firebase with hardened security and PassKeys, SMS, OIDC, Social Sign In, MFA, FIDO, TOTP and OTP, WebAuthn, passwordless and much more. Golang, headless, API-first. Available as a worry-free SaaS with the fairest pricing on the market! (by ory)
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Ory Hydra Ory Kratos
37 41
15,068 10,564
1.1% 2.8%
9.1 9.6
7 days ago 3 days ago
Go Go
Apache License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

Ory Hydra

Posts with mentions or reviews of Ory Hydra. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-06.

Ory Kratos

Posts with mentions or reviews of Ory Kratos. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-02-22.

What are some alternatives?

When comparing Ory Hydra and Ory Kratos you can also consider the following projects:

casdoor - An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA and RADIUS [Moved to: https://github.com/casdoor/casdoor]

Keycloak - Open Source Identity and Access Management For Modern Applications and Services

IdentityServer - The most flexible and standards-compliant OpenID Connect and OAuth 2.x framework for ASP.NET Core

SuperTokens Community - Open source alternative to Auth0 / Firebase Auth / AWS Cognito

zitadel - ZITADEL - The best of Auth0 and Keycloak combined. Built for the serverless era.

dex - OpenID Connect (OIDC) identity and OAuth 2.0 provider with pluggable connectors

Ory Keto - Open Source (Go) implementation of "Zanzibar: Google's Consistent, Global Authorization System". Ships gRPC, REST APIs, newSQL, and an easy and granular permission language. Supports ACL, RBAC, and other access models.

node-oidc-provider - OpenID Certified™ OAuth 2.0 Authorization Server implementation for Node.js

OPA (Open Policy Agent) - Open Policy Agent (OPA) is an open source, general-purpose policy engine.

oauth2-proxy - A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

Vault - A tool for secrets management, encryption as a service, and privileged access management