Ory Kratos VS Ory Hydra

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

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)

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)
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Ory Kratos Ory Hydra
41 37
10,520 15,018
2.4% 0.8%
9.6 9.2
4 days ago 11 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 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.

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.

What are some alternatives?

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

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

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]

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

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

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

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

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

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.

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