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Dev tools · alternatives · 2026

HO

24 alternatives to Hydra – Open-Source OAuth2 Server

Ory Hydra is the open-source, OpenID Certified® OAuth 2.0 server and OpenID Connect provider. Cloud-native, API-first, and built for scale.

Hydra is an open-source OAuth2 server designed for developers who need to implement authentication and authorization in their applications. It provides OAuth2 and OpenID Connect capabilities, allowing developers to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hydra – Open-Source OAuth2 Server launched in 2019; newer entries below may have overtaken it.

  1. 1

    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 →

  2. 2

    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. -

    2025 · github.com · its alternatives →

  3. 3

    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 →

  4. 4

    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 →

  5. 5AD

    Aqueduct: A cohesive server-side framework for Dart, including controllers, routing, OAuth 2.0, ORM, database migrations and CLI.

    2017 · aqueduct.io · its alternatives →

  6. 6

    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 →

  7. 7

    hi hn, hydra ceo here hydra is an open source, column-oriented postgres. you can set up remarkably fast aggregates on your project in minutes to query billions of rows instantly. postgres is great, but aggregates can take minutes to hours to return results on large data sets. long-running analytical queries hog database resources and degrade performance. use hydra to run much faster analytics on postgres without making code changes. data is automatically loaded into columnar format and compressed. connect to hydra with your preferred postgres client (psql, dbeaver, etc). following 4 months…

    2023 · hydra-so.notion.site · its alternatives →

  8. 8

    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.

    2022 · github.com · its alternatives →

  9. 9

    Open-source agentic terminal. Finds the agent sessions already on your machine, keeps them alive after you close the app, and lets you reach them from a browser. Native Rust rendering, PTY daemon, no inbound port. - hydraterm/hydra-local

    Sep 2026 · github.com · its alternatives →

  10. 10
    APIPark▲719

    Your open source AI gateway & API developer portal

    2024 · apipark.com · its alternatives →

  11. 11

    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 →

  12. 12HO

    hi hn, hydra ceo here hydra is an open-source extension that adds columnar tables to Postgres for efficient analytical reporting. With Hydra, you can analyze billions of rows instantly without changing code. demo video (5 min): https://youtu.be/1yzxgb0Oyrw github repo: https://github.com/hydradatabase/hydra For 1.0 GA release, aggregate queries are over *60% faster* than Hydra beta due to aggregate vectorization. Spatial indexes (gin, gist, spgist, and rum indexes) and pg_hint_plan are now enabled for performance optimization. postgres is great, but…

    2023 · hydra.so · its alternatives →

  13. 13
    Liquid▲119

    Seamless and customizable auth and user management

    2024 · github.com · its alternatives →

  14. 14

    Open source system for managing orders & business processes.

    2016 · hydra-billing.com · its alternatives →

  15. 15

    Extensible security first OAuth 2.0 and OpenID Connect SDK for Go. - ory/fosite

    2016 · github.com · its alternatives →

  16. 16

    Simple and opinionated OpenID Connect server designed for self-hosters - lastlogin-net/obligator

    2023 · github.com · its alternatives →

  17. 17
    OpenHuman▲549

    An open source AI harness built with the human in mind

    May 2026 · tinyhumans.ai · its alternatives →

  18. 18

    Open-source Auth0/Clerk alternative

    2024 · hexclave.com · its alternatives →

  19. 19

    OpenAgents - The collaboration OS for AI agents. Contribute to openagents-org/openagents development by creating an account on GitHub.

    Apr 2026 · open-agents.dev · its alternatives →

  20. 20

    Nango (https://github.com/NangoHQ/nango) provides pre-built OAuth flows, secure token storage and automatic refreshes for 40+ APIs and counting. Why we built Nango: We built Nango to solve the pain of accessing OAuth APIs. Despite OAuth being a standard protocol in theory, it remains a major burden to implement it, even with the help of a library. You still need to add endpoints and logic to your app for the server-side dance, implement token refreshes, build & secure your token storage, deal with redirects on the frontend etc. But the worst part is that (almost) every…

    2023 · nango.dev · its alternatives →

  21. 21
    Evoke▲317

    Run open source AI models on the cloud with our APIs

    2023 · evoke-app.com · its alternatives →

  22. 22

    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 →

  23. 23

    Open source authentication and authorization solution

    2021 · authorizer.dev · its alternatives →

  24. 24
    Cred▲97

    OAuth credential delegation for AI agents

    Apr 2026 · cred.ninja · its alternatives →

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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 →