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1️⃣ Authentication (AuthN) has always been a challenge. When I started building apps as a teenager, it was already tricky. Now, with PassKeys, MFA, magic links, and SMS-based MFA, it’s a whole new level. Here's what I've learned 🧵 #authn #backend #nodejs

Mateusz Gostański

@grixu.dev

2️⃣ SaaS solutions are everywhere, but what if you don’t want to pay to remove branding or need something self-hosted? That’s the real challenge—finding a solid, flexible, and non-SaaS option.

3/1/25, 1:42 pm0 reposts0 likes

Mateusz Gostański

@grixu.dev

3 Jan 2025

3️⃣ One tool I’ve been tracking is OpenAuth: a self-hosted OAuth2 solution that works on Cloudflare Workers, AWS Lambda, Node.js, and more. It includes server/client libraries and a customizable UI. Check it out: https://buff.ly/4gbIQdQ

openauth.js.orgOpenAuthUniversal, standards-based auth provider.

Mateusz Gostański

@grixu.dev

3 Jan 2025

4️⃣ Another interesting contender is ButterAuth: a modern, flexible self-hosted authentication solution. You can learn more about it here: https://buff.ly/4gTmjlO

better-auth.comBetter AuthThe most comprehensive authentication library for TypeScript.

Mateusz Gostański

@grixu.dev

3 Jan 2025

5️⃣ These tools show promise for anyone trying to simplify AuthN without relying on SaaS. Have you used either of them? Or do you have another favorite? Let me know your thoughts! 🔐