OSS Discovery

UN
Global
BACKEND & API
CLOUD-READY
ACTIVELY MAINTAINED
FREEMIUM
Fief

FIEF

Fief is an open-source user authentication management platform. It provides secure, scalable identity management, empowering developers to integrate authentication seamlessly. Built with a modern tech stack, Fief targets streamlined user onboarding, supporting OAuth 2.1, OpenID Connect, and RESTful APIs for straightforward integration with existing infrastructure and applications.

GITHUB STARS
726
+12% this month
FORKS
66
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
7
Tracking updates
LICENSE
Other
Commercial use
Fief is an open-source user authentication management platform. It provides secure, scalable identity management, empowering developers to integrate authentication seamlessly. Built with a modern tech stack, Fief targets streamlined user onboarding, supporting OAuth 2.1, OpenID Connect, and RESTful APIs for straightforward integration with existing infrastructure and applications.

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

Python
Python
HTML
HTML
SCSS
SCSS
JavaScript
JavaScript
Dockerfile
Dockerfile
Mako
Mako
Shell
Shell

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Backend & API
Pricing
Freemium
Self-Hosted
No
Available on
Web
Latest Release
v0.30.0
Apr 26, 2025

Relative Standing — across 1,284 tools

STARS726
Top 81% globally
FORKS66
Top 80% in Open Source
ACTIVITYLow
Top 83% Activity
WATCHERS7
Top 83% Community