feoauth

The premium Open Source alternative to Auth0

🎯 Best for:Systems requiring low-latency authentication.

What is feoauth?

A lightweight authentication server written in Rust designed to replace heavy identity providers like Auth0. It focuses on extreme performance and memory safety while providing standard OAuth2 flows.

Tech Stack
RustBackend & Auth

Why feoauth?

  • • Memory safe architecture
  • • Single binary deployment
  • • Low resource footprint

Limitations

  • • Steep learning curve for non-Rust devs
  • • Limited UI templates
  • • Early stage maturity
7/24/2025
Last Update
2
Forks
3
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to feoauth instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Auth0)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

Community Discussion

Comments