Awesome Feature Flag Management

Overview

This awesome list provides comprehensive resources for feature flagging and management, covering both commercial and open-source solutions for progressive feature delivery and experimentation.

Commercial Solutions

• LaunchDarkly - A feature management platform that allows software development teams to deliver to their customers with feature flags, targeted rollouts, and experimentation
• Split - A feature delivery platform that powers feature flag management, software experimentation, and continuous delivery
• Statsig - A software product experimentation tool designed to make A/B testing more useful for companies
• Optimizely - Feature experimentation and A/B testing platform

Open Source Solutions

• Unleash - A powerful open-source solution for feature management with over 10,000 GitHub stars and 20+ million downloads. Best for engineering teams needing customizable, scalable feature rollouts
• Growthbook - An open-source platform to help companies make data-driven product decisions with feature flags and A/B tests
• Flipt - An open-source, self-hosted feature flag solution
• Flagsmith - An open-source feature flag and remote config service

Use Cases

• Progressive feature rollouts and canary deployments
• A/B testing and experimentation
• Kill switches for emergency feature disabling
• User segmentation and targeting
• Configuration management without code deployment

Pricing

• Open source solutions: Free and self-hosted
• Commercial platforms: Vary by provider, typically starting with free tiers for small teams