Dev tools · alternatives · 2026
24 alternatives to Open Source Authentication and Authorization
I’m Rishabh and the co-founder and CTO at https://supertokens.com (YC S20). We offer open-source user authentication and we just released our user roles product for companies implementing authorization. Our users are web developers, and a prominent and adjacent pain point for our users is authorization. Developers typically implement two independent solutions for authentication and authorization. Offering AuthN and AuthZ in a single solution is something we’ve been thinking about for the last few years. Quick primer, authentication is knowing who the user is, and authorization is…
SuperTokens is an open-source platform that provides both user authentication and authorization for web developers. It combines identity verification with access control in a single solution, 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. Open Source Authentication and Authorization launched in 2022; newer entries below may have overtaken it.
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SuperTokens▲146Open source email & password auth for developers
2020 · supertokens.com · its alternatives →
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Fully flexible, open source auth in 15 minutes
2022 · supertokens.com · its alternatives →
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Authorizer▲296Open source authentication and authorization solution
2021 · authorizer.dev · its alternatives →
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The world's best login box, powered by WorkOS + Radix.
2023 · authkit.com · its alternatives →
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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 →
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One identity layer for your customers, APIs, and agents
Jul 2026 · monocloud.com · its alternatives →
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ZITADEL▲82Integrate user management and authentication easy as pie
2022 · github.com · its alternatives →
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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 →
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Hi folks! I'm Ulysse, and Tesseral (https://github.com/tesseral-labs/tesseral) is open-source auth for B2B SaaS. Early in my career, I worked on enterprise auth and security features at Segment. I've been obsessed with the subtle details of enterprise software ever since. For example, I wrote an implementation of SAML in the early days of the COVID pandemic because I thought it was fun. Over the years, I've felt frustrated that too few people have seemed interested in making auth obvious for developers of business software. Auth really doesn't need to be so confusing. We…
2025 · github.com · its alternatives →
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Hey HN, I’m Brad, one of the creators of Superblocks and a YC alum, excited to share our internal tooling IDE. As developers ourselves, we faced the problem of building tons of internal admin UIs, backends to connect siloed data, reporting jobs, and data pipelines. For UIs we would build one-off React components. For integrations, we would have to decipher vendor docs and implement auth. Finally, for reporting jobs we had to handle failures and observability – many hours of repetitive engineering effort. So we built Superblocks, an internal tooling IDE to connect to any datasource…
2022 · superblocks.com · its alternatives →
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🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC. - logto-io/logto
2022 · github.com · its alternatives →
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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 →
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🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC. - Release v1.0.0-beta.9 · logto-io/logto
2022 · github.com · its alternatives →
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Cloud-native authorization for modern applications and APIs - aserto-dev/topaz
2022 · github.com · its alternatives →
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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 →
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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 →
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Build enterprise-ready auth into your B2B app
2023 · stytch.com · its alternatives →
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Authorizer▲21Open-source auth for enterprise applications, and AI agents
Sep 2026 · authorizer.dev · 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 →