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%