Dev tools · alternatives · 2026
24 alternatives to PropelAuth
Flexible auth for B2B products
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. PropelAuth launched in 2023; newer entries below may have overtaken it.
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PropelAuth▲178Authentication that works before you write any code
2022 · propelauth.com · its alternatives →
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MojoAuth 2.0▲263Easiest way to add passwordless login to your apps & website
2022 · mojoauth.com · its alternatives →
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Build enterprise-ready auth into your B2B app
2023 · stytch.com · its alternatives →
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InstantDB▲320Complete backend with auth and storage in one prompt
Apr 2026 · instantdb.com · its alternatives →
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Install Auth UI and start authenticating users with Supabase
2022 · supabase.com · its alternatives →
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The easiest 3rd-party sign-in for your apps and APIs
2020 · its alternatives →
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Clerk▲280Authentication and user management for React and Next.js
2021 · clerk.com · its alternatives →
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FusionAuth▲120Auth for any app. Get every feature. Deploy everywhere.
2018 · fusionauth.io · its alternatives →
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Memberstack 2.0▲304Make SaaS products + membership sites in Webflow and beyond
2023 · memberstack.com · its alternatives →
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Userbase▲465Add user accounts & data persistence to your static site.
2020 · userbase.com · its alternatives →
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Authorizer▲296Open source authentication and authorization solution
2021 · authorizer.dev · 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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Kinde▲211Infrastructure for authentication, feature flags & billing
2022 · kinde.com · its alternatives →
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Userbase is the easiest way to add user accounts and data persistence to your static site. No backend necessary.
2020 · userbase.com · its alternatives →
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- 18OS
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…
2022 · its alternatives →
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Build auth in clicks, no code required
2024 · logto.io · 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 →