MediumDeveloper Toolsfeature-flagsexperimentationrollouts

Feature Flag Platform

A feature flag and experimentation platform for progressive rollouts, A/B testing, and kill switches. LaunchDarkly alternative.

58Medium

Weekend2-4 weeks

The Problem

Feature flags control which code runs in production. Routing feature flag decisions through US services creates dependency for critical deployment infrastructure.

Foreign Dominators

US-based services that currently dominate this space, exposing European users to CLOUD Act jurisdiction.

LaunchDarkly

CLOUD Act exposure

Build This

Complexity

Weekend

Time to MVP

2-4 weeks

Technical Challenges

*SDK support for major languages
*Real-time flag updates
*User targeting and segmentation
*A/B test statistical analysis
*Low-latency edge evaluation

Potential Business Models

SaaSOpen Coreself-hosted

Building Blocks (Open Source)

UnleashFlagsmithGrowthBookOpenFeature