Authon
Software licensing, HWID lock & auth API for developers
Authon launched on June 6, 2026 with 2 votes.
What it does
Authon is a modern software licensing and authentication platform for developers. Protect your apps with license keys, HWID locking, anti-debug, VPN blocking, and real-time sessions. SDKs for C++, C#, Python, Go, Java, Node.js, PHP, and Rust. Features loader builder, customer panel, reseller system, webhooks, Discord bot, and live support. Free tier available, no credit card needed. A powerful alternative to KeyAuth and Auth.GG with a cleaner UI and more features included.
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Permit.io2023 · 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
Keygen – A dead-simple software licensing API built for developers2017 · keygen.sh · ▲190Keygen 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.
Stack, an open-source Clerk/Firebase Auth alternative2024 · stack-auth.com · ▲144Hey 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!
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