Dev tools · alternatives · 2026
24 alternatives to Ory Kratos – Open-source identity server written in Go
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
Ory Kratos is an open-source identity server built with Go that handles user authentication and account management. It is designed for developers building applications that need secure login, registration, and user… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Ory Kratos – Open-source identity server written in Go launched in 2022; newer entries below may have overtaken it.
- 1
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
2023 · github.com · its alternatives →
- 2
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
2024 · github.com · its alternatives →
- 3
Headless cloud-native authentication and identity management written in Go. Scales to a billion+ users. Replace Homegrown, Auth0, Okta, Firebase with better UX and DX. Passkeys, Social Sign In, OIDC, Magic Link, Multi-Factor Auth, SMS, SAML, TOTP, and more. Runs everywhere, runs best on Ory Network.
2024 · github.com · its alternatives →
- 4
Developer documentation for Ory
2020 · getory.io · its alternatives →
- 5
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go. -
2022 · github.com · its alternatives →
- 6
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go. -
2016 · github.com · its alternatives →
- 7
Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go. -
2016 · github.com · its alternatives →
- 8KA
2017 · keratin.tech · its alternatives →
- 9
Hi HN, we are Deepak and Sama, co-founders of BoxyHQ (https://boxyhq.com/). BoxyHQ provides an open-source platform for developers to quickly integrate enterprise features into their software solutions. These include SAML Single Sign-On (SSO), Audit logs, with more to come :) Every B2B startup faces a common challenge when it comes to selling into the Enterprise; they need to allocate time and resources to support all the requirements to make their offering enterprise-grade. Supporting these requirements is a significant undertaking for the engineering team, especially since…
2022 · boxyhq.com · its alternatives →
- 10
A SDK for access control policies: authorization for the microservice and IoT age. Inspired by AWS IAM policies. Written for Go. - ory/ladon
2017 · github.com · its alternatives →
- 11
Web-scale and security-hardened API key server for users, services, machine to machine, and AI agents. Token derivation brings fine-grained capability tokens to avoid common API key pitfalls. Apache2 open source for indie deployments, commercial for scalable and HA. - ory/talos
Jun 2026 · github.com · its alternatives →
- 12
- 13HO
Ory Hydra is the open-source, OpenID Certified® OAuth 2.0 server and OpenID Connect provider. Cloud-native, API-first, and built for scale.
2019 · gethydra.sh · its alternatives →
- 14
Extensible security first OAuth 2.0 and OpenID Connect SDK for Go. - ory/fosite
2016 · github.com · its alternatives →
- 15
Enable passwordless auth and drive conversions on Bubble
2022 · its alternatives →
- 16
A cloud native Identity & Access Proxy / API (IAP) and Access Control Decision API that authenticates, authorizes, and mutates incoming HTTP(s) requests. Inspired by the BeyondCorp / Zero Trust white paper. Written in Go. - ory/oathkeeper
2018 · github.com · its alternatives →
- 17
You can get a 2h free trial by solving a proof-of-work captcha when topping up your account for the first time. If you'd like to learn more, an independent interview was posted a couple of weeks ago [1], and the FAQ [2] has a lot of information as well. For the source code sharing, we've talked with lawyers and are inclined to no longer require the NDA/NCC for privacy reasons shared with us before (signing requires identification), but instead use a source-available permissive license that doesn't allow competition, like PolyForm Shield [3] (we do still have about 6 months before…
Jun 2026 · uruky.com · its alternatives →
- 18
Hey HN! Happy to finally launch Stack. We made it because we like to put apps into production quickly, and authentication & user management was taking up way too much time. We have components like and that automatically adapt to whatever theme & design system you're using. Check the blog post to see the example with Radix UI and Joy UI. Also, there's an admin dashboard for monitoring and editing accounts. Stack is 100% AGPL/MIT-licensed, so you can self-host it. Cheers!
2024 · stack-auth.com · its alternatives →
- 19
- 20
Fastest way to add passwordless login to your app for free
2020 · workos.com · its alternatives →
- 21
Your ultimate Go microservices framework for the cloud-native era. - go-kratos/kratos
2021 · github.com · its alternatives →
- 22
No gc, No goroutines, Produces small binaries while using the unmodified official go toolchain, and comes with complete Web SDK (generated from w3c/webref). We are building `pcz` to provide a reimagination of Go the language, in an effort to make it suitable for all kinds of programming tasks, and currently you can use it to build efficient web applications in Go using the generated Web SDK (as shown with the live web demo[1]). The journey is just starting, any suggestions? or any critics? [1]: https://primecitizens.github.io/livedemos/10-plat-web/
2023 · github.com · its alternatives →
- 23
grpc microservices with mutual TLS and token authentication in Go - 3n21c0/hello-auth-grpc
2017 · github.com · its alternatives →
- 24
One identity layer for your customers, APIs, and agents
Jul 2026 · monocloud.com · its alternatives →
Also compare
- Open-source Auth0 alternative Ory Kratos v0.13 released – nearing v1.0 alternatives
- OSS Auth0 Alternative Ory Kratos Now with Full PassKey Support alternatives
- Open Source Auth0 alternative Ory Identifier First Auth and OTP MFA alternatives
- React Native template for open source identity provider Ory Kratos alternatives
- Open-source OAuth2 & OpenID server Ory Hydra v2 alternatives
- Run your own OAuth2/OpenID Connect provider alternatives
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →