Dev tools · alternatives · 2026

24 alternatives to Authon
Software licensing, HWID lock & auth API for developers
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

- 2
Permit.io▲677The new Permit.io CLI brings developer-first workflows to access control. Define, test, deploy, and enforce fine-grained authorization using AI, CI/CD, GitOps, and OpenAPI — all from your terminal
2023 · permit.io · its alternatives →
- 3

The world's best login box, powered by WorkOS + Radix.
2023 · authkit.com · its alternatives →
- 4

Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in Go, Rust, JS, C/C++, C#, Swift, Java, Kotlin and more.
2017 · keygen.sh · its alternatives →
- 5

- 6

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 →
- 7
AuthLX▲2Premium authentication and licensing built for developers
Jul 2026 · authlx.com · its alternatives →
- 8

Develop faster, eliminate complexity, protect your secrets
2022 · 1password.com · its alternatives →
- 9
Keygen▲252A dead-simple software licensing API built for developers
2016 · keygen.sh · its alternatives →
- 10
keychains.dev▲177Hi HN — I’m a heavy OpenClaw user and, like many others, I’ve been thinking about how to give these new “unleashed” agents secure access to my accounts. Agents need API access to be useful. But API keys are long-lived secrets. And agents are not secure environments. So I built something for myself that quickly turned into a product: keychains.dev. The idea is simple: agents never see raw credentials. With Keychains.dev: • Agents make API calls via a drop-in replacement for curl or JavaScript’s fetch() • They use template variable names instead of embedding credentials • The request is…
Feb 2026 · keychains.dev · its alternatives →
- 11
SuperTokens▲146Open source email & password auth for developers
2020 · supertokens.com · its alternatives →
- 12

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 →
- 13

Skip migration and launch MCP with built-in Auth
Nov 2025 · arcade.dev · its alternatives →
- 14OS
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 →
- 15
AuthPass▲75Simple, open source, cross platform password manager 😅️
2020 · authpass.app · its alternatives →
- 16

- 17
Authy▲177Dead simple two-factor authentication optimized for devs
2014 · authy.com · its alternatives →
- 18

- 19

- 20

One identity layer for your customers, APIs, and agents
Jul 2026 · monocloud.com · its alternatives →
- 21

- 22
FusionAuth▲120Auth for any app. Get every feature. Deploy everywhere.
2018 · fusionauth.io · its alternatives →
- 23

Build auth in clicks, no code required
2024 · logto.io · its alternatives →
- 24

Also compare
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 →